John Abercrombie “Ralph’s Piano Waltz”

Discographic Information

Instrument g
Total Duration 78.8 s
Position in Track 01:02-02:21
Album Title Quest/Standards, The Jazz Workshop Series, David Liebman/Richard Beirach/Ron McClure/Billy Hart
Label Advance Music (B008HT8HME)
Recording Date 1988
Line Up John Abercrombie (g); Richard Beirach (p); Ron McCure (b); Billy Hart (dr)
Style POSTBOP
Key  
Signature 3/4
Groove/Feel SWING
Tonality Class MODAL
MusicBrainz ID 9c5a05bb-213e-4b7c-bb7b-80a07aa43c59
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Piano Roll

../../_images/PianoRoll_JohnAbercrombie_Ralph'sPianoWaltz.jpg

MIDI

Download MIDI File

Transcription

Chord changes of solo:

A1: ||G  |G  |Bb  |Bb  |Ebj7911#  |Ebj7911#  |Ebj7911#  |Ebj7911#  |Dbj7  |Dbj7  |Dbj7  |Dbj7  |Dbj7  |Dbj7  |Dbj7  |Dbj7  |A-79  |A-79  |F+j7  |F+j7  ||
B1: ||A-  |F  |A-  |F  |A-  |F  |A-  |F  ||

Statistics

Features

Number of Notes 298  
Number of Bars 86 bars  
Number of Choruses 3  
Mean Tempo 196.5 (UP)  
Event Density 3.78 Notes/s  
Metrical Event Density 3.47 Notes/bar  
Median Swing Ratio 1.16:1 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 26.8 % Share of syncopated notes.
Ambitus 48-76 (28) Min/max and range of MIDI pitches.
Extrema ratio 35.2 % Share of notes with direction reversal (i.e, minima and maxima of pitch contour).

Extended Chordal Diatonic Pitch Class Histogram

../../_images/JohnAbercrombie_Ralph'sPianoWaltz_CDPCX_hist.png

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

Pitch Class Histogram

../../_images/JohnAbercrombie_Ralph'sPianoWaltz_PC_hist.png

MIDI Pitch Histogram

../../_images/JohnAbercrombie_Ralph'sPianoWaltz_PITCH_hist.png

Semitone Interval Histogram

../../_images/JohnAbercrombie_Ralph'sPianoWaltz_INT_hist.png

Refined Contour Histogram

../../_images/JohnAbercrombie_Ralph'sPianoWaltz_FUZZYINT_hist.png

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

Metrical Circle Map (N=48) Histogram

../../_images/JohnAbercrombie_Ralph'sPianoWaltz_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/JohnAbercrombie_Ralph'sPianoWaltz_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/JohnAbercrombie_Ralph'sPianoWaltz_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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