(Willis). The A Dozen a Day Songbook series contains wonderful Broadway, movie and pop hits that are perfect to use as companion pieces to the memorable technique exercises in the A Dozen a Day series, or to supplement ANY method Songs in Book 2: Hallelujah * I Dreamed a Dream * I Walk the Line * I Want to Hold Your Hand * In the Mood * Moon River * Once Upon a Dream * This Land Is Your Land * A Whole New World * You Raise Me Up.