Oscar is getting ready for a virtual Grouch concert with the noisiest and most annoying instruments. But Elmo�s Shaky Shake instrument isn�t noisy enough. This is a problem! Elmo wonders how to make his plastic jar full of rocks noisier. What if Elmo puts in more rocks and adds some blocks too? Let�s try! It works. Elmo didn�t give up, and his instrument was noisy enough to be part of the concert.