Jazz Improvisation Resources Filter Field Hits: 544 Glossary of Jazz Terms Defined from the perspective of the Jazz musiciancompiled by Darius Brotman Hits: 613 10 Jazz Scales You Should Know Musicians love scales. We really do! Hits: 619 Shell Voicings Lesson – Super Simple Yet Powerful Jazz Chords Ever wonder what guys like Bud Powell, Barry Harris, and Al Haig play in their left hand when they're soloing in their right hand? Hits: 506 Left hand rootless voicings Closely associated with the piano style of pianist Bill Evans (1929-1980).