“I have tried for three years, seems like thirty,” This is what I have in my mind when I think of one of the groups I have been trying to teach for nearly six years. I have used all the opportunities but  in vain. Had some success with about half of them but many would refuse any method. I am about to give up. One aim remains: lead them to GCSE.

Ian Gillan singing a song from Jesus Christ Superstar

Here you can read more about him

His concerts are always well-planned, have special atmosphere and very lively. Of course playback is out of questions, improvisation would be hit severely.
Here is a sound file to prove it: