Cette chronique est en anglais car Bruno l'a faite pour The Guitar Channel.
Elle est aussi à disposition tel quel des backstagers francophones.
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Comping means “to accompany”. In our case, it means that those chords can be used when accompanying a soloist who is improvising over the song “Blues For Alice”, commonly referred to as “Bird Blues” chord changes. Each diagram represents a full measure, except when slashes are written above the chord—in which case those slashes represent the number of beats for that particular chord.
Blues for Alice (Part 3/6) - Comping study

The circled dot on the Gm7 (final turnaround) is an optional replacement for the bass note. Most of the chords in this study have the root in the bass, except for the diminished 7th chords used as substitutions for some of the Dominant 7 chords. It that case, the dim7 substitutions give us a 7(b9) sound.

Also, note

Cette chronique est en anglais car Bruno l'a faite pour The Guitar Channel.
Elle est aussi à disposition tel quel des backstagers francophones.
***
We are continuing our study of “Blues For Alice” with 2 simple comping studies. Those studies use basic 3 note voicings. 3-note voicings are 7th chords reduced to their simplest form: the Root, the 3rd, and the 7th. The omitted note is the 5th, simply because it is considered the least important note of the chord.
Blues for Alice (Part 2/6) - 3 note voicings

In the first study, the 3rds and 7ths of the chords are played on strings 3 and 4.

In the second study, the 3rds and 7ths are played on strings 2 and 3.

Blues for Alice - List of Jazz Chronicles

The melody
3-note voicings (this chronicle)
Comping study
4-note groupings
An arpeggio study
Improvising with quarter notes only

If you have any questions