(A Graded Collection of Teacher-Student Piano Duets by Master Composers). Edited by Gayle Kowalchyk, E. L. Lancaster, and Jane Magrath. For Piano. Book; Duet or Duo; Graded Standard Repertoire; Masterworks; Piano Duet (1 Piano, 4 Hands). Alfred Masterwork Edition: Masterwork Clas…

By Gayle Kowalchyk and E. L. Lancaster. For Piano. Piano Technique. Book. 16 pages. Published by Alfred Publishing.

(A Piano Course to Bring Out the Music in Every Young Child) Written by Christine H. Barden, E. L. Lancaster, Gayle Kowalchyk. Piano teacher's handbook for piano. With introductory text, instructional text and performance notes. 62 pages. Published by Alfred Publishing.

By Gayle Kowalchyk and E. L. Lancaster. For Piano. Piano Technique. Book. 16 pages. Published by Alfred Publishing.

By Gayle Kowalchyk and E. L. Lancaster. For Piano. Piano Technique. Book. 16 pages. Published by Alfred Publishing.

Written by Dennis Alexander, E. L. Lancaster, Gayle Kowalchyk, Martha Mier, edited by Morton Manus, written by Victoria Mcarthur. Instructional book for piano. With instructional text and instructional photos. Series: Alfred's Premier Piano Course. 48 pages. Published by Alfred P…

By Gayle Kowalchyk and E. L. Lancaster. For Piano. Piano Technique. Book. 16 pages. Published by Alfred Publishing.

By Gayle Kowalchyk and E. L. Lancaster. For Piano. Piano Technique. Book. 16 pages. Published by Alfred Publishing.

Minor Scales and Arpeggios (Two Octaves). By Gayle Kowalchyk, E. L. Lancaster. For Piano. Piano Technique. Book. 16 pages. Published by Alfred Publishing.