Duets Book With Online Audio. Composed by Various. Edited by Richard Walters. Vocal Collection. Play Along. Softcover Audio Online. 240 pages. Published by Hal Leonard

Duets Accompaniment CDs. By Various Composers. Vocal Collection. CD only. Size 9x12 inches. 7 pages. Published by Hal Leonard.

(The Career Guide to Becoming a Professional Singer). By Jaime Babbitt. For Voice. Book; Method/Instruction; Technique Musicianship; Vocal Method. 264 pages. Published by Alfred Music Publishing

Edited by Andy Beck And Brian Fisher. For Voice. Vocal Collection. For Two Series. Play along. Book & CD. 88 pages. Published by Alfred Publishing.