(Guitar Play-Along). The Guitar Play-Along series will help you play your favorite songs quickly and easily! Just follow the tab, listen to the online audio to hear how the guitar should sound, and then play along using the separate backing tracks. The melody and lyrics are also included in the book in case you want to sing, or to simply help you follow along. 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. 8 songs: Ain't No Sunshine * Brain Stew (The Godzilla Remix) * Helter Skelter * I Gotta Feeling * Knockin' on Heaven's Door * Old Time Rock & Roll * Pork and Beans * Smells like Teen Spirit. Audio is accessed online for download or streaming using the unique code in each book.