| Type | Cover | Title  | Date | Source | |
| Audio |  |
A&E Biography: A (Musical) Anthology | 1998 | Judy Garland | |
| Audio |  |
A&M Gold Series | 1991 | Liza Minnelli | |
| Audio |  |
A... My Name Will Always Be Alice | 1996 | Great Barrington Cast | |
| Audio |  |
Aaron Slick from Punkin Crick | 1952 | Film soundtrack | |
| Audio |  |
ABBAcadabra | 1983 | French Concept Cast | |
| Noncommercial Audio |  |
MARKED FOR DELETION ABBAcadabra | 1983 | London Cast | |
| Audio |  |
ABBAcadabra | 1984 | Portugese Cast | |
| Audio |  |
ABBAcadabra | 1984 | Netherlands TV Cast | |
| Noncommercial Video |  |
ABBAcadabra | 1985 | Original Dutch Cast | |
| Audio |  |
ABC (Adler, Bock, Coleman) | 2000 | Concert Cast | |
| Audio |  |
Abelard and Heloise | 2003 | Australian Cast | |
| Audio |  |
Abraham | 1994 | Quasar Lux Symphoniæ | |
| Audio |  |
Absolute Beginners | 1986 | Soundtrack | |
| Video |  |
Absolute Beginners | 1986 | Film | |
| Audio |  |
Absolutely Fascinating | 2005 | Fascinating Aida | |
| Audio |  |
Academy Award Winners And Nominations | 1997 | The London Theatre Orchestra | |
| Audio |  |
Accendiamo la lampada | 1979 | Italian Cast | |
| Noncommercial Audio |  |
Accidentally on Purpose | 1999 | Demo | |
| Audio |  |
Accustomed to Her Face | 1980 | Rex Harrison | |
| Noncommercial Audio |  |
Ace | 2005 | Demo | |
| Audio |  |
Ace Of Clubs | 1950 | London Cast | |
| Video |  |
Acorn Antiques | 2005 | Original London Cast | |
| Video |  |
Across the Universe | 2007 | Film | |
| Audio |  |
Across the Universe | 2007 | Soundtrack | |
| Audio |  |
Act One: Songs From The Musicals Of Alexander S. Bermange | 2008 | Studio Cast | |
| Noncommercial Audio | |
The Act | 1970 | Demo Recording | |
| Audio |  |
The Act | 1977 | Original Broadway Cast | |
| Noncommercial Audio | |
MARKED FOR DELETION Actor | 1978 | Recorded from broadcast | |
| Noncommercial Audio |  |
Actor, Lawyer, Indian Chief | 2002 | Goodspeed Opera | |
| Audio |  |
Adam Schaf Hat Angst | 2006 | Studio Cast | |
| Audio |  |
Adding Machine | 2008 | Original Off-Broadway Cast | |
| Noncommercial Audio | |
Adding Machine | N/A | Demo | |
| Noncommercial Audio |  |
MARKED FOR DELETION Adeu a Berlin (Cabaret) | 2002 | Barcelona Cast | |
| Noncommercial Audio |  |
Adeu de Nou: Una Nit Amb Stephen Sondheim | 2005 | Original Barcelona Cast | |
| Video |  |
Adieu Marseille / Love Symphony | 2007 | Takarazuka Cast (Flower Troupe) | |
| Audio |  |
Adres Me Ta Ola Tous (The Full Monty) | N/A | Greek Cast | |
| Noncommercial Audio | |
Adrift in Macao | 2004 | Demo | |
| Noncommercial Audio |  |
Adrift in Macao | 2006 | Demo | |
| Audio |  |
Adrift in Macao | 2007 | Original Off-Broadway Cast | |
| Audio |  |
The Adventures of a Black Girl In Search of God | 2003 | Original Toronto Cast | |
| Audio |  |
The Adventures Of Marco Polo | 1956 | Television Cast | |
| Audio |  |
The Adventures of Maya the Bee | 2000 | Original Cast | |
| Audio |  |
The Adventures of the Great Mouse Detective | 1992 | Soundtrack | |
| Noncommercial Audio |  |
The Adventures of Tom Sawyer | 2001 | Original Broadway Cast | |
| Video |  |
The Adventures of Tom Thumb & Thumbelina | 2002 | Animated Film | |
| Audio |  |
African Footprint | 2000 | Johannesburg Cast | |
| Audio |  |
African Portraits | 1995 | Concert Cast | |
| Audio |  |
After a Dream | 2004 | Robert Meadmore | |
| Audio |  |
After Hours On Broadway | 1996 | Various Artists | |
| Audio |  |
After Ours | 1997 | Ann Hampton Callaway |