This melody is a film/movie lead melody from a film with same name.
Composer is Victor Young, lyrics by Ned Washington in the year of 1949.
Many have recorded this song, such as Tony Bennett, Mel Tormé, Kurt Elling, Cris Barber, Oscar Peterson and many many more.
I play Holton LE Blanc MF Trumpet with and without mute, backing track is a Jamey Aebersold Play A long CD/Book, Volume 25 from Jazzbooks.com.