My mom could use the Wii because the action required to swing the racquet was essentially the same to the real world equivalent (unlike a standard joystick).
This was a marathon performance for performers listed on the 61 to get bump-bombed and promoted so the public would get an idea of the music going on in SL.
I tried to tip everyone a decent amount, but in the end this violated my principle of giving 10,000L or more to any live musician in the tower. I have tried to make up for that with Tunes inSL.
If you are a musician, former musician (me), or just interested - VISIT THIS MUSEUM!!! The collection is fantastic, and the building is pretty cool also.