UnScramble this Word: s m u t r l u?

Questions

Number One Songs: Name of girl in Looking Glass hit, shares her name with a type of alcohol.?

Number One Songs: This is the most covered song of all time.?

Occupation of Joe on Liz Phair's "Exile in Guyville" album?

Of what group is Mark Miller the lead singer?

Of what were 500 million printed with Elvis Presley on the face?