Milt Jackson “Bag’s Groove”

Discographic Information

Instrument vib
Total Duration 34.7 s
Position in Track 00:29-01:04
Album Title Quadromania Jazz Edition, Milt Jackson, La Ronde Suite, CD 2
Label Membran International (222446444)
Recording Date 1952-04-07
Line Up Milt Jackson (vib); Lou Donaldson (as); John Lewis (p); Percy Heath (b); Kenny Clarke (dr)
Key F-maj
Signature 4/4
Groove/Feel SWING
Tonality Class BLUES
MusicBrainz ID 6b533b84-b5d1-46d0-9ab9-447b8cae24a0
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Piano Roll



Download MIDI File


Chord changes of solo:

A1: ||F7   |Bb7   |F7   |F7   |Bb7   |Bb7   |F7   |F7   |G-7   |C7   |F7   |C7   ||



Number of Notes 198  
Number of Bars 25 bars  
Number of Choruses 2  
Mean Tempo 175.1 (MEDIUM UP)  
Event Density 5.71 Notes/s  
Metrical Event Density 7.82 Notes/bar  
Median Swing Ratio 1.49:1 Ratio of longer to shorter eighth of beats with binary subdivision.
Metrical Centroid 3 Mean concentration of events in the bar, rounded and normalized to 4/4.
Syncopicity 19.7 % Share of syncopated notes.
Ambitus 60-87 (27) Min/max and range of MIDI pitches.
Extrema ratio 31.8 % 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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