| Type | Cover | Title  | Date | Source | |
| Audio |  |
The Complete Gilbert & Sullivan (Utopia Limited) | 1975 | The D'Oyly Carte Opera Company | |
| Audio |  |
Highlights of Broadway / Under Open Skies | 1958 | John Raitt | |
| Audio |  |
Of Pleasures There Are Many (Utopia Limited) | 1963 | Studio Cast | |
| Audio |  |
MARKED FOR DELETION On The Street Where You Live | 1999 | Nat King Cole | |
| Noncommercial Audio |  |
Ug | N/A | Demo | |
| Audio |  |
Ugly Ducklings | 2007 | Original Hannover Cast | |
| Audio |  |
ULLAdubULLA II: The Remix Album (The War Of The Worlds) | 2006 | Various Artists | |
| Audio |  |
Ultimate Broadway | N/A | Compilation Album | |
| Audio |  |
Ultimate Broadway II | 2003 | Various Artists | |
| Audio |  |
The Ultimate Cole Porter, Vol. 1 | 1933 | Cole Porter | |
| Audio |  |
The Ultimate Cole Porter, Vol. 2 | 1936 | Cole Porter | |
| Audio |  |
The Ultimate Cole Porter, Vol. 3 | N/A | Cole Porter | |
| Audio |  |
The Ultimate Cole Porter, Vol. 4 | N/A | Cole Porter | |
| Audio | |
The Ultimate Collection | 1999 | Nat King Cole | |
| Audio |  |
The Ultimate Collection | 2002 | Petula Clark | |
| Audio |  |
Ultimate Fame (Fame) | 2004 | Compilation | |
| Audio |  |
The Ultimate George Gershwin Volume 1 | N/A | Various | |
| Audio |  |
The Ultimate George Gershwin Volume 2 | N/A | Various | |
| Audio |  |
The Ultimate Gilbert & Sullivan Collection | N/A | The D'oyly Carte Opera Company | |
| Audio |  |
The Ultimate Irving Berlin Vol. 1 | N/A | Irving Berlin | |
| Audio |  |
The Ultimate Irving Berlin Vol. 2 | N/A | Irving Berlin | |
| Audio |  |
The Ultimate Rodgers & Hart - Volume II | N/A | Original cast recordings | |
| Audio |  |
The Ultimate Rodgers & Hart - Volume III | N/A | Original cast recordings | |
| Audio |  |
The Ultimate Rodgers & Hart, Vol. 1 | N/A | Compilation Album | |
| Audio |  |
The Ultimate Sigmund Romberg Vol. 1 | N/A | Sigmund Romberg | |
| Audio |  |
The Ultimate Sigmund Romberg Vol. 2 | N/A | Various artists | |
| Audio |  |
Ulysses | 1973 | Concept Recording | |
| Audio |  |
Umoja | 2001 | South African Cast | |
| Audio |  |
Un Día Más | 2001 | Almansa Cast | |
| Audio |  |
Un Eternel Hiver | 2006 | Original Cast | |
| Audio |  |
Un Gran Final (A Chorus Line) | 1987 | Mexican Cast | |
| Audio |  |
Un Mandarino Per Teo | 1960 | Italian Cast | |
| Audio |  |
Un Sueño Alguna Vez Soñé | 1990 | Rocío Banquells | |
| Audio |  |
Una Eva Y Dos Patanes (Dirty Rotten Scoundrels) | 2008 | Mexican Cast | |
| Audio |  |
Una Ventana al Amor | 1995 | Colombian Cast | |
| Audio |  |
Unchained Melodies | 1992 | Karen Akers | |
| Noncommercial Audio |  |
Uncle Jed's Barbershop | N/A | Demo | |
| Noncommercial Audio | |
MARKED FOR DELETION Under Construction | 2008 | Demo | |
| Audio | |
Under Open Skies | 1958 | John Raitt | |
| Audio |  |
Under The Bridge | 2004 | Off Broadway Cast | |
| Audio |  |
Under the Stars | 2003 | Renee Fleming & Bryn Terfel | |
| Audio |  |
Underneath the Arches | 1982 | Original London Cast | |
| Audio |  |
Underworld | 1991 | Studio Cast | |
| Audio |  |
Unexpected Dreams | 2006 | Songs from the Stars | |
| Audio |  |
Unexpected Song | 1999 | Ian McLarnon | |
| Audio |  |
An Unfinished Song | 1995 | Studio Cast | |
| Audio | |
Unforgettable | 1992 | John Williams & The Boston Pops Orchestra | |
| Audio |  |
The Unknown Kurt Weill | 1981 | Teresa Stratas | |
| Audio |  |
The Unknown Theatre Songs of Jule Styne | 1961 | Jule Styne | |
| Noncommercial Audio |  |
Unlock'd | N/A | NYMF Cast |