UnScramble this Word: i u l g f n x?

Questions

50's Chart Toppers: Name The Artist: Seven Little Girls Sitting In the Back Seat?

50's Chart Toppers: Name The Artist: She Say (Oom Dooby Doom)?

50's Chart Toppers: Name The Artist: Shimmy, Shimmy, Ko-Ko-Bop?

50's Chart Toppers: Name The Artist: Since I Don't Have You?

50's Chart Toppers: Name The Artist: Since You've Been Gone?