“When we released the song as a single, we put ‘Mississippi Queen’ on both sides so DJs couldn’t get creative and play the flipside instead. The single only got to number 21, but I think it could have gone a lot higher. I don’t know how they decide these charts. I mean, radio stations were playing the hell out of it.
“Live, the reaction was always enormous. People freaked out the second we started playing it. We stretched it out a bit onstage, because two minutes is pretty short, and we usually saved it for the encore. I learned a long time ago to go out on a high note.
“It’s a song that keeps on giving. A lot of people have covered it. I like most of the versions, but I really like the one that Ozzy Osbourne did. I even played on it. The song has been sampled something like 2,000 times. Every time I hear it, I call my accountant.”
read the whole thing at Source: Leslie West: How I Wrote “Mississippi Queen” | GuitarPlayer