UnScramble this Word: i e t d n a u r?

Questions

70's Chart Toppers: Name The Artist: It's Ecstasy When You Lay Down Next To Me?

70's Chart Toppers: Name The Artist: It's Going To Take Some Time?

70's Chart Toppers: Name The Artist: It's Impossible?

70's Chart Toppers: Name The Artist: It's Ok?

70's Chart Toppers: Name The Artist: It's One Of Those Nights?