The Knack was a dance and guitar rock group. The greatest hit by The Knack was My Sharona, which hit number one in 1979. The Knack also took My Sharona to number 2 on the rock chart. The Knack followed-up with Good Girls Don't, which made it to number 8. More than a decade later, The Knack came back to the rock charts with number 9 rock hit Rocket O' Love.