Riff surprises everyone with his awesome musical abilities and super-fun personality. Everyone is very excited that Riff will be in town for good. Riff is a little shy at first but with the help of new friends BJ and Baby Bop, Riff fits right into Barney's world of fun and imagination. They are all excited about an upcoming trip to the zoo, however when the trip is postponed, Riff decides to create a musical zoo. He gathers instruments that sound like real animals. Everyone has a wonderful time at Riff's musical zoo! In Riff's Musical Zoo, children will learn about different musical instruments with an introduction to instruments such as the kazoo, the trombone, a Brazilian cuica, wood block frog and a spring drum.