(Easy Piano Vocal Selections). Thirteen of the most famous and popular songs from one of the most unique stage musicals ever produced are arranged here for easy piano. If you're just starting out on the piano, but you still want to learn these great songs, this book is for you. Rejecting all tropes and traditions of Broadway musicals, Hair , which premiered in 1967, offered both an antidote and something new, surprising and shocking. Songs include: Aquarius * Donna * The Flesh Failures/Let the Sunshine In * Hair * and more.