Hal Leonard Supplemental Vocal Instruction Books

Hal Leonard Warm-Up! (20 Purpose Driven Etudes to Develop Essential Choral Skills) Book and CD pak

Hal Leonard A Place in the Choir (Finding Harmony in a World of Many Voices)

Hal Leonard Contemporary Singing Techniques - Women's Edition Book/CD

Hal Leonard The Estelle Liebling Vocal Course

Hal Leonard The Estelle Liebling Vocal Course for Barintone Voice

Hal Leonard 15 Disney Vocal Duets from Stage and Screen for 2 Voices And Piano Accompaniment

Hal Leonard The Estelle Liebling Vocal Course

Hal Leonard The Estelle Liebling Vocal Course for Tenor Voice

Hal Leonard Contemporary Singing Techniques - Men's Edition Book/CD