是不是对《四海兄弟：最终版》中的怀旧歌曲充满了期待？以下列表中的所有授权歌曲会在失落天堂的两个广播电台播放。

"St. James Infirmary" - Cab Calloway

"Minnie the Moocher" - Cab Calloway 

"Manhattan Jam" - Cab Calloway and His Orchestra

"Evenin'" - Cab Calloway and His Orchestra

"The Darktown Strutters' Ball" - Django Reinhardt

"A-Tisket A-Tasket" - Django Reinhardt

"Blue Drag" - Django Reinhardt

"Sophisticated Lady" - Django Reinhardt

"Tiger Rag (instrumental)" - Django Reinhardt

"Black and Tan Fantasy" - Duke Ellington

"Crescendo in Blue" - Duke Ellington

"Echoes of Harlem" - Duke Ellington

"Hot and Bothered" - Duke Ellington

"I'm Satisfied" - Duke Ellington

"In A Sentimental Mood (instrumental)" - Duke Ellington

"It Don't Mean A Thing (If It Ain't Got That Swing)" - Duke Ellington

"It's Glory" - Duke Ellington

"Prelude to A Kiss" - Duke Ellington

"The Mooche" - Duke Ellington

"Azure" - Duke Ellington

"Creole Love Call (instrumental)" - Duke Ellington

"Drop Me Off in Harlem" - Duke Ellington

"I Let A Song Go Out of My Heart" - Duke Ellington

"Mood to Be Wooed" - Duke Ellington

"Diminuendo in Blue" - Duke Ellington

"Heart and Soul" - Eddy Duchin and His Orchestra

"My Old Flame" - Guy Lombardo

"Little White Gardenia" - Hal Kemp & his Orchestra

"Back Beat Boogie" - Harry James

"Beyond the Blue Horizon" - Jeanette MacDonald and the Rounders

"True Confession" - Larry Clinton and His Orchestra

"When Lights Are Low" - Lionel Hampton

"(I'll be Glad When You're Dead) You Rascal You"  - Louis Armstrong

"Thanks for the Memory" - Mildred Bailey

"Sing You Sinners" - The High Hatters

除了这些符合年代背景的授权歌曲之外，《四海兄弟：最终版》还有最新录制的原声音乐。