It may be old - but for me, nothing beats Irvin Berlins “What’ll I Do”.
Irving Berlin ~ What’ll I Do
Julie London
https://www.youtube.com/watch?v=uD786xQUjPQ
Frank Sinatra
https://www.youtube.com/watch?v=VgJlNWdeElQ
Linda Ronstadt
https://www.youtube.com/watch?v=8B1oIcTh604
Judy Garland
https://www.youtube.com/watch?v=aHEeMR6j6nc