(Signature Licks Keyboard). Keyboards played an essential role in the work of rock's most influential band. Explore their trademark styles and techniques in this in-depth analyses of 20 Beatles classics, complete with audio tracks online for download or streaming. Songs include: All You Need Is Love * Back in the U.S.S.R. * Don't Let Me Down * Good Day Sunshine * Hey Jude * In My Life * Let It Be * Ob-La-Di, Ob-La-Da * Penny Lane * She's a Woman * and more.