Misc: There are about _______ species of coral known?

Questions

Music : What band recorded the 1978 hit album: "Briefcase Full of Blues"?

Music : What city is also known as Music City, U.S.A.?

Music : What country singer/songwriter (and sometimes actor) is known as "the country outlaw"?

Music : What entertainer is allowing one of his songs to be used in a government campaign to beat drunk driving?

Music : What famous classical composer continued to compose great music after becoming deaf?