Misc: On Little House on the Prairie,what was Laura's horse's name??

Questions

what does 'r & b' stand for in the music world?

What does the "g" in kenny g stand for?

what does the handy man fix?

what does the lead singer of the knack, famous for "my sharona," & jack kevorkians lead defense attorney have in common?

What does the musical term 'adagio' mead?