th time tunes with Elmo, Oscar, Grover, Cookie Monster, Bert and Ernie, and Ernie's Rubber Duckie! Interactive buttons plays 6 bubbly melodies: "If You're Happy," "This Is the Way," "Sailing, Sailing," "Head, Shoulders, Knees, and Toes," "I'm Forever Blowing Bubbles," and the "Rubber Duckie" song from Sesame Street! Lyrics are printed in the book so little ones can sing along. Music and singing help build language and literacy skills, and custom lyrics to familiar songs help children learn and remember new routines.