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TheoryTab / Big Blue Bubble / Mech Islet
Mech Islet
Song Analysis

Mech Islet Chords and Melody

Mech Islet
Mech Islet – Intro
Mech Islet – Intro and Verse
Mech Islet – Verse
Mech Islet – Verse and Pre-Chorus
Mech Islet – Pre-Chorus
Mech Islet – Chorus
Mech Islet – Bridge
Mech Islet – Pre-Outro
Mech Islet – Outro 1
Mech Islet – Outro 2

Related Music Concepts

Borrowed Chords
Using chords from parallel modes for contrast and emotion
Chord-Melody Tension
How much the melody clashes with the underlying chords
Diminished Chords
A chord built from stacked minor thirds — dark and unstable
Seventh Chords
Adding one more note to the basic chords
Add Chords
A chord with an added tone that enriches its sound
Altered Chords
Altered (raised or lowered) notes create tension and complexity in chords
Inverted Chords
Using a different bass note to change a chord's sound
Song Stats ● Intro
Key D♯ Harmonic Minor
Tempo 140 BPM
Meter 4/4
Genre Video Game
Melody Range C5 – C6
Mood Tense, Complex, Unexpected, Upbeat
Most Used Chord i(no3)
Chord Complexity 87
Chord Complexity: Tracks when a song goes beyond simple three-note chords—either by adding extra tones (like 7ths or add9s) or by borrowing notes from outside the key—creating richer, more sophisticated harmonies.
Melodic Complexity 68
Melodic Complexity: Reflects two factors: the use of notes outside the key and rhythmic syncopation, together capturing how intricate or surprising a melody feels.
Chord-Melody Tension 81
Chord-Melody Tension: Quantifies how often melody notes fall outside the current chord, producing dissonance that creates a sense of instability.
Chord Prog. Novelty 89
Chord Prog. Novelty: Measures how uncommon a song's chord changes are compared to others in the Hooktheory database, highlighting progressions that deviate from typical patterns.
Concepts
Song Stats ● Intro and Verse
Key D♯ Harmonic Minor
Tempo 140 BPM
Meter 4/4
Genre Video Game
Melody Range D2 – G4
Mood Tense, Complex, Unexpected, Upbeat
Most Used Chord i(no3)
Chord Complexity 87
Chord Complexity: Tracks when a song goes beyond simple three-note chords—either by adding extra tones (like 7ths or add9s) or by borrowing notes from outside the key—creating richer, more sophisticated harmonies.
Melodic Complexity 88
Melodic Complexity: Reflects two factors: the use of notes outside the key and rhythmic syncopation, together capturing how intricate or surprising a melody feels.
Chord-Melody Tension 95
Chord-Melody Tension: Quantifies how often melody notes fall outside the current chord, producing dissonance that creates a sense of instability.
Chord Prog. Novelty 89
Chord Prog. Novelty: Measures how uncommon a song's chord changes are compared to others in the Hooktheory database, highlighting progressions that deviate from typical patterns.
Song Stats ● Verse
Tempo 140 BPM
Meter 4/4
Genre Video Game
Melody Range D#4 – C#5
Mood Tense, Upbeat, Moody
Most Used Chord i(no3no5)
Chord Complexity 45
Chord Complexity: Tracks when a song goes beyond simple three-note chords—either by adding extra tones (like 7ths or add9s) or by borrowing notes from outside the key—creating richer, more sophisticated harmonies.
Melodic Complexity 36
Melodic Complexity: Reflects two factors: the use of notes outside the key and rhythmic syncopation, together capturing how intricate or surprising a melody feels.
Chord-Melody Tension 97
Chord-Melody Tension: Quantifies how often melody notes fall outside the current chord, producing dissonance that creates a sense of instability.
Chord Prog. Novelty 27
Chord Prog. Novelty: Measures how uncommon a song's chord changes are compared to others in the Hooktheory database, highlighting progressions that deviate from typical patterns.
Song Stats ● Verse and Pre-Chorus
Key D♯ Harmonic Minor
Tempo 140 BPM
Meter 4/4
Genre Video Game
Melody Range D#2 – G4
Mood Tense, Complex, Unexpected, Upbeat
Most Used Chord V
Chord Complexity 74
Chord Complexity: Tracks when a song goes beyond simple three-note chords—either by adding extra tones (like 7ths or add9s) or by borrowing notes from outside the key—creating richer, more sophisticated harmonies.
Melodic Complexity 77
Melodic Complexity: Reflects two factors: the use of notes outside the key and rhythmic syncopation, together capturing how intricate or surprising a melody feels.
Chord-Melody Tension 61
Chord-Melody Tension: Quantifies how often melody notes fall outside the current chord, producing dissonance that creates a sense of instability.
Chord Prog. Novelty 80
Chord Prog. Novelty: Measures how uncommon a song's chord changes are compared to others in the Hooktheory database, highlighting progressions that deviate from typical patterns.
Song Stats ● Pre-Chorus
Key D♯ Harmonic Minor
Tempo 140 BPM
Meter 4/4
Genre Video Game
Melody Range D#3 – G3
Mood Complex, Unexpected, Upbeat
Most Used Chord V
Chord Complexity 74
Chord Complexity: Tracks when a song goes beyond simple three-note chords—either by adding extra tones (like 7ths or add9s) or by borrowing notes from outside the key—creating richer, more sophisticated harmonies.
Melodic Complexity 5
Melodic Complexity: Reflects two factors: the use of notes outside the key and rhythmic syncopation, together capturing how intricate or surprising a melody feels.
Chord-Melody Tension 58
Chord-Melody Tension: Quantifies how often melody notes fall outside the current chord, producing dissonance that creates a sense of instability.
Chord Prog. Novelty 80
Chord Prog. Novelty: Measures how uncommon a song's chord changes are compared to others in the Hooktheory database, highlighting progressions that deviate from typical patterns.
Song Stats ● Chorus
Key D♯ Harmonic Minor
Tempo 140 BPM
Meter 4/4
Genre Video Game
Melody Range A#2 – C4
Mood Tense, Complex, Unexpected, Upbeat
Most Used Chord i(no3)
Chord Complexity 80
Chord Complexity: Tracks when a song goes beyond simple three-note chords—either by adding extra tones (like 7ths or add9s) or by borrowing notes from outside the key—creating richer, more sophisticated harmonies.
Melodic Complexity 87
Melodic Complexity: Reflects two factors: the use of notes outside the key and rhythmic syncopation, together capturing how intricate or surprising a melody feels.
Chord-Melody Tension 88
Chord-Melody Tension: Quantifies how often melody notes fall outside the current chord, producing dissonance that creates a sense of instability.
Chord Prog. Novelty 89
Chord Prog. Novelty: Measures how uncommon a song's chord changes are compared to others in the Hooktheory database, highlighting progressions that deviate from typical patterns.
Song Stats ● Bridge
Key D♯ Harmonic Minor
Tempo 140 BPM
Meter 4/4
Genre Video Game
Melody Range C3 – C5
Mood Smooth, Simple, Upbeat
Most Used Chord V
Chord Complexity 24
Chord Complexity: Tracks when a song goes beyond simple three-note chords—either by adding extra tones (like 7ths or add9s) or by borrowing notes from outside the key—creating richer, more sophisticated harmonies.
Melodic Complexity 69
Melodic Complexity: Reflects two factors: the use of notes outside the key and rhythmic syncopation, together capturing how intricate or surprising a melody feels.
Chord-Melody Tension 11
Chord-Melody Tension: Quantifies how often melody notes fall outside the current chord, producing dissonance that creates a sense of instability.
Chord Prog. Novelty 37
Chord Prog. Novelty: Measures how uncommon a song's chord changes are compared to others in the Hooktheory database, highlighting progressions that deviate from typical patterns.
Concepts
Song Stats ● Pre-Outro
Key D♯ Harmonic Minor
Tempo 140 BPM
Meter 4/4
Genre Video Game
Melody Range A#3 – G4
Mood Tense, Simple, Upbeat
Most Used Chord V
Chord Complexity 24
Chord Complexity: Tracks when a song goes beyond simple three-note chords—either by adding extra tones (like 7ths or add9s) or by borrowing notes from outside the key—creating richer, more sophisticated harmonies.
Melodic Complexity 90
Melodic Complexity: Reflects two factors: the use of notes outside the key and rhythmic syncopation, together capturing how intricate or surprising a melody feels.
Chord-Melody Tension 94
Chord-Melody Tension: Quantifies how often melody notes fall outside the current chord, producing dissonance that creates a sense of instability.
Chord Prog. Novelty 37
Chord Prog. Novelty: Measures how uncommon a song's chord changes are compared to others in the Hooktheory database, highlighting progressions that deviate from typical patterns.
Song Stats ● Outro 1
Key D♯ Harmonic Minor
Tempo 140 BPM
Meter 4/4
Genre Video Game
Melody Range D4 – C5
Mood Tense, Upbeat
Most Used Chord V
Chord Complexity 27
Chord Complexity: Tracks when a song goes beyond simple three-note chords—either by adding extra tones (like 7ths or add9s) or by borrowing notes from outside the key—creating richer, more sophisticated harmonies.
Melodic Complexity 94
Melodic Complexity: Reflects two factors: the use of notes outside the key and rhythmic syncopation, together capturing how intricate or surprising a melody feels.
Chord-Melody Tension 96
Chord-Melody Tension: Quantifies how often melody notes fall outside the current chord, producing dissonance that creates a sense of instability.
Chord Prog. Novelty 51
Chord Prog. Novelty: Measures how uncommon a song's chord changes are compared to others in the Hooktheory database, highlighting progressions that deviate from typical patterns.
Song Stats ● Outro 2
Key D♯ Harmonic Minor
Tempo 140 BPM
Meter 4/4
Genre Video Game
Melody Range C3 – G4
Mood Tense, Upbeat
Most Used Chord V
Chord Complexity 27
Chord Complexity: Tracks when a song goes beyond simple three-note chords—either by adding extra tones (like 7ths or add9s) or by borrowing notes from outside the key—creating richer, more sophisticated harmonies.
Melodic Complexity 79
Melodic Complexity: Reflects two factors: the use of notes outside the key and rhythmic syncopation, together capturing how intricate or surprising a melody feels.
Chord-Melody Tension 78
Chord-Melody Tension: Quantifies how often melody notes fall outside the current chord, producing dissonance that creates a sense of instability.
Chord Prog. Novelty 51
Chord Prog. Novelty: Measures how uncommon a song's chord changes are compared to others in the Hooktheory database, highlighting progressions that deviate from typical patterns.
Concepts
Song Stats ● All Sections
Keys D♯ Harmonic Minor, D♯ Minor
Tempo 140 BPM
Meter 4/4
Genre Video Game
Melody Range D2 – C6
Mood Tense, Unexpected, Upbeat
Most Used Chord V
Chord Complexity 61
Chord Complexity: Tracks when a song goes beyond simple three-note chords—either by adding extra tones (like 7ths or add9s) or by borrowing notes from outside the key—creating richer, more sophisticated harmonies.
Melodic Complexity 78
Melodic Complexity: Reflects two factors: the use of notes outside the key and rhythmic syncopation, together capturing how intricate or surprising a melody feels.
Chord-Melody Tension 87
Chord-Melody Tension: Quantifies how often melody notes fall outside the current chord, producing dissonance that creates a sense of instability.
Chord Prog. Novelty 67
Chord Prog. Novelty: Measures how uncommon a song's chord changes are compared to others in the Hooktheory database, highlighting progressions that deviate from typical patterns.

About Mech Islet

About the Key

D♯ Minor
It is the 10th most popular key among Minor keys and the 22nd most popular among all keys. Minor keys, along with major keys, are a common choice for popular music.
i  iv  VI
Most Important Chords
The three most important chords, built off the 1st, 4th and 5th scale degrees are all minor chords (D♯ minor, G♯ minor, and A♯ minor).
D♯ Minor Cheat Sheet
Popular chords, progressions, downloadable MIDI files and more

About the Chord Progressions

Section Progression Songs with this progression
Intro
Intro and Verse
Verse
Verse and Pre-Chorus
Pre-Chorus
Chorus
Bridge
Pre-Outro
Outro 1
Outro 2

About the Melody

Melody data is compiled from all analyzed melody sections, so depending on how a user analyzed a song, "melody" might include instrumental notes.

𝄞 𝄢
D2 – C6
Melody range across 46 semitones
0.73 beats/note
Across 292.5 beats of melody
Stepwise Motion
Jumpiness
Repeaty
99% Diatonic
Percentage of notes within the song's key.
65% Chord Tones
Percentage of notes that fall on a chord tone of the underlying harmony.
Mixed Consonance
How smoothly the melody blends with the harmony (0 = dissonant, 1 = consonant).
Loose Syncopation
How often the melody emphasizes off-beats. Higher = more syncopated.

About the Metrics

Chord Complexity
Chord Complexity tracks when a song goes beyond simple three-note chords—either by adding extra tones (like 7ths or add9s) or by borrowing notes from outside the key—creating richer, more sophisticated harmonies.
Melodic Complexity
Melodic Complexity reflects two factors: the use of notes outside the key and rhythmic syncopation, together capturing how intricate or surprising a melody feels.
Chord-Melody Tension
Chord-Melody Tension quantifies how often melody notes fall outside the current chord, producing dissonance that creates a sense of instability.
Chord Progression Novelty
Chord Progression Novelty measures how uncommon a song's chord changes are compared to others in the Hooktheory database, highlighting progressions that deviate from typical patterns.
Chord-Bass Melody
Chord–Bass Melody evaluates how smoothly the bass moves between chords, scoring higher when it travels step-wise, ascending or descending, instead of jumping directly between root position chords.

Hooktheory's metrics are calculated against the entire database of analyzed songs, where 50 is the "average song." Learn more about each of these metrics here.

Chord Complexity
61
Measures how diverse and sophisticated the chord vocabulary is in this song.
Percentile: 61/100 — above average
Melodic Complexity
78
Measures the range, intervallic variety, and rhythmic complexity of the melody.
Percentile: 78/100 — above average
Chord-Melody Tension
87
Measures how much the melody notes clash or harmonize with the underlying chords.
Percentile: 87/100 — above average
Chord Prog. Novelty
67
Measures how unusual or unexpected the chord progressions are compared to common patterns.
Percentile: 67/100 — above average
Chord-Bass Melody
58
Measures the melodic movement of the bass notes across chord changes.
Percentile: 58/100 — above average

Metrics Radar Chart

Mech IsletAverage Song

BPM Comparison

Melody Distribution

1
2
3
4
5
6
7

Melodic Intervals

Distribution of note-to-note jumps in semitones (negative = downward, positive = upward)

Note Durations

How long each note is held (in beats)

Syncopation

How many notes fall on each level of metric strength (0 = on-beat, higher = increasingly off-beat)

Level 0
Notes that fall on the downbeat — the strongest metric position in the measure.
Level 1
Notes on a secondary strong beat (e.g. beat 3 in 4/4) — still firmly on the grid.
Level 2
Notes on the remaining primary beats (2 and 4 in 4/4) — moderate metric weight.
Level 3
Notes on eighth-note offbeats — between the primary beats. Audibly syncopated.

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Everything you need to know about TheoryTab.

TheoryTab is the world's largest database of songs analyzed by their chord progressions and melodies. Each entry breaks a song into its harmonic and melodic components using relative notation, making it easy to see the music theory behind any song.
TheoryTabs are crowd-sourced and community-maintained. Musicians use Hookpad — our intelligent music sketchpad — to transcribe songs by ear, identifying the chords and melodies and entering them in a standardized format that anyone can read and learn from.
Roman numerals represent chords by their position in a key rather than by letter name. For example, in the key of C major, I = C, IV = F, V = G, and vi = Am. This relative notation makes it easy to compare chord progressions across songs in different keys. Click here to learn more about relative notation.
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Relative notation describes chords and notes by their function within a key, rather than by their absolute pitch. This means a I–V–vi–IV progression is the same pattern whether the song is in C major, G major, or any other key — making it much easier to recognize common patterns across songs.