Chet Baker “Just Friends”

Discographic Information

Instrument tp
Total Duration 50.2 s
Position in Track 00:52-01:42
Album Title Let’s Get Lost
Label Giants of Jazz (CD 53100 AAD)
Recording Date 1955-03-07
Line Up Chet Baker (tp, voc); Russ Freeman (p); Carson Smith (b); Bob Neel (dr)
Style COOL
Key G-maj
Signature 4/4
Groove/Feel SWING
Tonality Class FUNCTIONAL
MusicBrainz ID 5dece1a5-eb42-4c31-b4dc-51cd01b5e155
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Piano Roll



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Chord changes of solo:

A1: ||Cj7   |Cj7   |C-7   |F7   |F7   |F7   |Bb-7   |Eb7   ||
B1: ||A-7   |D7   |B-7   |E-7   |A7   |A7   |A-7   |D7 Db7 ||
A2: ||Cj7   |Cj7   |C-7   |F7   |Gj7   |Gj7   |Bb-7   |Eb7   ||
B2: ||A-7   |D7   |B-7   |E-7   |A7   |A-7 D7 |G6   |D-7 G7 ||



Number of Notes 191  
Number of Bars 40 bars  
Number of Choruses 2  
Mean Tempo 189.9 (UP)  
Event Density 3.81 Notes/s  
Metrical Event Density 4.81 Notes/bar  
Median Swing Ratio 1.61:1 Ratio of longer to shorter eighth of beats with binary subdivision.
Metrical Centroid 2 Mean concentration of events in the bar, rounded and normalized to 4/4.
Syncopicity 23.0 % Share of syncopated notes.
Ambitus 55-79 (24) Min/max and range of MIDI pitches.
Extrema ratio 36.6 % Share of notes with direction reversal (i.e, minima and maxima of pitch contour).

Extended Chordal Diatonic Pitch Class Histogram


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

Pitch Class Histogram


MIDI Pitch Histogram


Semitone Interval Histogram


Refined Contour Histogram


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

Metrical Circle Map (N=48) Histogram


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


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


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

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