A1to make musical sounds with the voice, usually a tune with words: The children sang two songs by Schubert at the school concert.We were woken early by the sound of the birds singing.Your grandmother would like you to sing for/to her.[+ two objects]Will you sing us a song/sing a song to us?She sang her baby to sleep every night.Pavarotti is singing Rodolfo (= singing the part of Rodolfo) in "La Bohème" at La Scala this week.Please sing up (USout) (= sing louder).Singing in generalsinging