LOS ANGELES — Jack Sheldon, an acclaimed jazz musician whose trumpet graced the award-winning song “The Shadow of Your Smile” and who was known to TV viewers as the puckish sidekick to talk show host Merv Griffin, has died. He was 88.

Sheldon died Dec. 27 of natural causes, his longtime manager and partner, Dianne Jimenez, said in a statement Tuesday. Further details were not provided.