Indeed, these are three great classic rock choruses form the 1970s to sing along to. [RELATED: No Skips: 4 Classic Rock Albums You’ll Never Have to Fast-Forward] ...

Well, I attended the first showing (4 p.m.) of a “Wicked” sing-along in Los Angeles to answer the questions, and to provide some helpful tips!

We haven't licensed it. So imagine, being assigned a Taylor Swift sing-a-long train story and not being able to use any of the audio. We had to find a workaround. We needed to create a song.