Opporknockity, and a short collection of other terrible music jokes Mr. Opporknockity is a superb piano tuner. He has spent more than 30 years honing his craft and has made quite a reputation for himself. He got a call from a guy who had just bought a new grand piano and requested Mr. Opporknockity to come and tune it. Mr. Opporknockity spent more than 3 hours tuning the grand piano to perfection, collected his fee and left. A couple of days later, the customer calls Mr. Opporknockity and inform…