That's All is the second album by American singer Bobby Darin, released in March 1959,[3] and arranged by Richard Wess.

[9] The first of several successful collaborations between Bobby Darin and arranger/conductor Richard Wess, That's All launched the young singer from the realm of teen pop into the adult market, and comparisons with Frank Sinatra.

Darin recorded "Mack the Knife" on December 19, 1958, and Ahmet Ertegun, founder of Atlantic Records, knew they had caught lightning in a bottle, later recalling:[11] As we were cutting Mack the Knife on the first date, there was no doubt in anybody's mind it would be a success.

[12] Billboard gave the album a positive review, saying "it features a wide-ranging group of ballads, including a good sprinking tunes"[18] Cashbox in its Popular Picks of The Week album reviews stated that "he is given a legit singing opportunity and he comesthrough in pro style.

"[13] In an exploration of the evolution of "Mack the Knife", The Financial Times says:[21] Bobby Darin took the song by the scruff of the neck and turned it into the swing classic widely known today.