Crossword puzzle clue "singer whose name was once a symbol"

Singer whose "name" was once a symbol

New element whose name will be ratified in January, 2010, and whose symbol appears in the middle of this puzzle's theme answers

Actor whose first name is the title of a Best Picture he co-starred in, and whose last name is that film's director

Lead singer of the band whose name is derived from a "Barbarella" villain's name

"Shake It Off" singer whose first name is a presidential last name: 2 wds.

Singer Marie whose first name rhymes with another woman's name

Once, once more and yet once more

NBA team whose name includes the symbol of a sign of the zodiac (Taurus): 2 wds.