Two of a Kind (With Johnny Mercer)

Whose song is Two of a Kind (With Johnny Mercer)?

Artist Album
Bobby Darin
Beyond The Sea: The Very Best Of Bobby Darrin (CD 2)
Beyond the Sea: The Very Best Of Bobby Darrin (Disc 2)
Beyond The Sea: The Very Best Of [CD 2]
The Bobby Darin Collection - The Pop Years-Part One (Disc 2)