John Coltrane “Impressions (1963)”

Discographic Information

Instrument ts
Total Duration 370.3 s
Position in Track 04:59-11:10
Album Title Afro Blue Impressions
Label Pablo Records ()
Recording Date 1963-10-22
Line Up John Coltrane (ts); Jimmy Garrison (b); Elvin Jones (dr); McCoy Tyner (p)
Style POSTBOP
Key D-min
Signature 4/4
Groove/Feel SWING
Tonality Class MODAL
MusicBrainz ID 82071d7f-5c85-4326-aead-529c3d723c6c
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Piano Roll

../../_images/PianoRoll_JohnColtrane_Impressions_1963.jpg

MIDI

Download MIDI File

Transcription

Chord changes of solo:

A1: ||D-7   |D-7   |D-7   |D-7   |D-7   |D-7   |D-7   |D-7   ||
A2: ||D-7   |D-7   |D-7   |D-7   |D-7   |D-7   |D-7   |D-7   ||
B1: ||Eb-7   |Eb-7   |Eb-7   |Eb-7   |Eb-7   |Eb-7   |Eb-7   |Eb-7   ||
A3: ||D-7   |D-7   |D-7   |D-7   |D-7   |D-7   |D-7   |D-7   ||

Statistics

Features

Number of Notes 1954  
Number of Bars 430 bars  
Number of Choruses 13  
Mean Tempo 278.7 (UP)  
Event Density 5.28 Notes/s  
Metrical Event Density 4.54 Notes/bar  
Median Swing Ratio 1.33:1 Ratio of longer to shorter eighth of beats with binary subdivision.
Metrical Centroid 4 Mean concentration of events in the bar, rounded and normalized to 4/4.
Syncopicity 23.0 % Share of syncopated notes.
Ambitus 41-83 (42) Min/max and range of MIDI pitches.
Extrema ratio 49.2 % Share of notes with direction reversal (i.e, minima and maxima of pitch contour).

Extended Chordal Diatonic Pitch Class Histogram

../../_images/JohnColtrane_Impressions_1963_CDPCX_hist.png

Extended Chordal Diatonic Pitch Class is calculated in reference to the underlying chord.

Pitch Class Histogram

../../_images/JohnColtrane_Impressions_1963_PC_hist.png

MIDI Pitch Histogram

../../_images/JohnColtrane_Impressions_1963_PITCH_hist.png

Semitone Interval Histogram

../../_images/JohnColtrane_Impressions_1963_INT_hist.png

Refined Contour Histogram

../../_images/JohnColtrane_Impressions_1963_FUZZYINT_hist.png

Also known as “fuzzy intervals” or interval classification. See here for definition of classes

Metrical Circle Map (N=48) Histogram

../../_images/JohnColtrane_Impressions_1963_MCM_hist.png

Metrical circle maps divides the bar duration into equal sized bins (48 in this case) and maps metrical positions to the corresponding bin. (Labels normalized to 4/4 measure).

Duration Class (Abs. and Rel.) Histogram

../../_images/JohnColtrane_Impressions_1963_DURCLASS_hist.png

Relative duration classes are based on the duration of the beat. Absolute duration classes are based on 120 bpm. See here for a definition of classes.

Midlevel Analysis Main Types Histogram

../../_images/JohnColtrane_Impressions_1963_MLA_hist.png

Midlevel analysis is a qualitative annotation system of playing ideas, with nine different main categories, as defined in our paper

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