Composer by Oscar Hammerstein II, Richard Rodgers. 

All that's missing are your vocals! The music in this book includes the lyrics, vocal lines, and piano accompaniments for favorites from The Sound of Music. The online audio tracks contain demos for listening, and separate professionally-recorded full-band backing tracks so you can sing along and sound like a pro! Songs: Climb Ev'ry Mountain • Do-Re-Mi • Edelweiss • The Lonely Goatherd • Maria • My Favorite Things • Sixteen Going on Seventeen • The Sound of Music.

The audio is accessed online using the unique code inside each book and can be streamed or downloaded. The audio files include PLAYBACK+, a multi-functional audio player that allows you to slow down audio without changing pitch, set loop points, change keys, and pan left or right.