Misc: What term is used for the speed at which a piece of music is played?

Questions

Federal Bureau of Investigation established.?

Blake Edwards, writer/director (Breakfast at Tiffany's), born.?

Stanley Kubrick, director (2001, Dr Strangelove, Lolita), born.?

Mick Jagger, Rolling Stone singer, born.?

Churchill resigns as Britain's PM.?