By Eric Taylor. Music Theory in Practice Grade 3 (Revised Edition - 2008). Education. Level: Grade 3. Published by ABRSM (Associated Board of the Royal Schools of Music).

Berklee DVD. DVD (Digital Video Disk). Size 5.35x7.5 inches. Published by Berklee Press.

By John W. Schaum. Edited by Gail Lew. Arranged by Revised By Wesley Schaum. Piano method/supplement (Intermediate piano). Level: intermediate, level 4. 32 pages. Published by Belwin

By Bert Ligon. Jazz Book. Size 8.5x11 inches. 150 pages. Published by Hal Leonard.