Method/Instruction; Piano - Alfred's Basic Adult All-in-One Course. Alfred's Basic Adult Piano Course. Accompaniments for pages 2-83. Instructional and Play Along. Accompaniment CD only. Alfred Music #00-11282. Published by Alfred Music (AP.11282). Alfred's Basic Adult All-in-One Course is designed for the beginner looking for a truly complete piano course that includes lesson, theory, and technique in one convenient, all-in-one book. This CD has accompaniments to support the student's playing of the exercises and songs found in the Level 1 book.