By Willie L. Hill, Jr. For Bass Clef Instruments. Jazz Ensemble Method. Jazz Improvisation Series. Jazz; play along. Book and CD. 36 pages. Published by Alfred Publishing.

By Willie Thomas. For Bass Clef Instruments. Jazz Ensemble Method. Jazz Anyone...?. Jazz; play along. Level: Beginning / Intermediate. Book and 2 CDs. 56 pages. Published by Alfred Publishing.