10 Exceptional Duets for Recitals, Concerts, and Contests. Edited by Andy Beck. Duet or Duo; Solo Small Ensembles; Vocal Collection. Alfred's Vocal Duet Collection. Secular. Book; CD. 76 pages. Alfred Music #00-23890. Published by Alfred Music

(8 Contemporary Duets on Popular Holiday Songs). Edited by Andy Beck. For Voice. Book; CD; Duet or Duo; Vocal Collection. For Two Series. Christmas; Secular; Winter. 72 pages. Published by Alfred Music