How you rhythmically "comp" to support a soloist is, of course, extremely important, but if your voicings aren't happening, and if they don't make sense horizontally as linear lines (meaning your voice leading is messed up), your soloist isn't going to be happy!
Jazz CompingGuitarLesson – Any Chord Becomes a Dominant – Demo When subbing a dominant for a regular “diatonic” chord (diatonic meaning “from the key”) notice that dominant chords tend to want to resolve up a 4th, just like our grand chord progression. So for example, we all know ...
The piano is classed as a percussion instrument. It also has a strong melodic and harmonic component. In a jazz group, duplication of roles is to be avoided. As soon as two instruments take the same role (duplication) the music suffers. As a jazz group already has a percussion instrument ...