"Don't You Know?" is a 1959 popular song written by #BobbyWorth, and hit record for singer #DellaReese. The song was adapted from an #aria ("#MusettasWaltz") from #Puccini's #LaBohème. It was Reese's first single on her new label #RCAVictor and helped her get a nomination for a #GrammyAward for #BestFemaleVocalist. Previously entitled "You," the song had also been a hit for #SammyKaye in 1952, reaching number 28.
https://www.youtube.com/watch?v=DTlW1OHNYVw