| The Anshe Emet Festival Choir (1) | The Ansley Lister Band (1) | The Answer (4) |
| The Antagonist (1) | The Antarcticans (1) | The Anthem (1) |
| The Anthony Phillips Band (1) | The Anthony Ventura Orchestra (1) | The Anti Doctrine (1) |
| The Anti Nowhere League (1) | The Anti Social (1) | The Anti-Group (1) |
| The Anti-Nowhere League (1) | The Antidote (2) | The Antigravity Project (1) |
| The Antique Phonograph Music Program (by Michael Cumella) (3) | The Antique Six (2) | The Antmen of Neopop (1) |
| The Antrim Mennonite Choir (1) | The Ants (3) | The Ants Will Love it (1) |
| The Anubian Lights (1) | The Any Ones (2) | The Anyones (3) |
| The Aoki/Wong/Pavkovic Trio (1) | The Apaches (2) | The Apana Sisters (1) |
| The Apartments (4) | The Ape Drape Escape (1) | The Apemen (3) |
| The Apers (1) | The Apers (by...VA) (1) | The Apes (2) |
| The Apes of God (2) | The Apex Theory (4) | The Aphex Twin (2) |
| The Aphex Twin Mixes (1) | The Apo Hiking Society (1) | The Apocalyptic Riders (1) |
| The Apollo aka P-LO Style (1) | The Apollonia Symphony Orchestra (1) | The Apologist (1) |
| The Apostles (1) | The Appalachian Express (1) | The Appalachian Pickers (1) |
| The Apparatus (1) | The Apparitions (1) | The Apple Bros. (1) |
| The Apple Pie Motherhood Band (1) | The Applebaum Jazz Piano Duo - Mark and Bob Applebaum (1) | The Applejuice Kid (1) |
| The Apples (4) | The Apples In Stereo (8) | The Apples in Stereo (5) |
| The Apples in stereo (1) | The Appleseed Cast (10) | The Applicators (1) |
| The Apprentice (1) | The Apricots (1) | The April Fools (2) |
| The April Place (1) | The April Tears (5) | The Aprils (2) |
| The Aqua Velvets (3) | The Aquabat (1) | The Aquabats (14) |
| The Aquamen (1) | The Aquanettas (2) | The Aquarian Duo (2) |
| The Aquarium (1) | The Aquarium Rescue Unit (1) | The Aquatones (2) |
| The Ara Topouzian Ensemble (1) | The Arabian Masters (1) | The Arc Gospel Choir (1) |
| The Arcade Fire (12) | The Arcade Fire with David Bowie (1) | The Arcane (1) |
| The Arcane Order (1) | The Arcangelos Chamber Ensemble (10) | The Arcanium Trio (1) |
| The Arch (5) | The Archangels (1) | The Archies (26) |
| The Archipelago Singers (1) | The Architects of Fear (1) | The Architects of Time (1) |
| The Archnids (1) | The Arden Trio- Suzanne Ornstein, Clay Ruede, Thomas Schmidt (1) | The Arditti String Quartet (1) |
| The Are (K-Otix) (1) | The Arena Mega Musical (1) | The Argent Anthology (1) |
| The Argies (1) | The Argonauts (1) | The Argument (5) |
| The Argyll & Southerland Highlanders (1) | The Arhoolies (5) | The Ariel Singers (1) |
| The Aries Brass Quintet (1) | The Arion Trio (2) | The Aris (1) |
| The Aristocrats (1) | The Arizona's (2) | The Ark (15) |
| The Ark Band (2) | The Arkay IV (1) | The Arlenes (1) |
| The Arm (1) | The Arm Ground Forces Band - For McPherson Atl, GA (1) | The Armada (1) |
| The Armageddon Dildos (1) | The Armagh Rhymers (1) | The Armed Gang (1) |
| The Armenian Jazz Band (1) | The Armenian State Radio and Television Chamber Choir (2) | The Armenoids (1) |
| The Armoury Show (1) | The Armpit Jug Band (1) | The Arms Of Someone New (1) |
| The Armstrong Familiy (1) | The Armstrong Twins (1) | The Army Blues (1) |
| The Army Blues Jazz Ensemble (1) | The Army of Freshmen (1) | The Arne Domnérus Sextet (1) |
| The Arnhem Philharmonic Orchestra (1) | The Arnhem Symphonic Winds - Johan de Meij (1) | The Arnhem Symphonic Winds - de Meij, Johan (1) |
| The Arno Marsh Quintet (1) | The Arnolds (1) | The Arnoud Gerritse Funky Band (1) |
| The Arrival (1) | The Arrival of Horatio (1) | The Arrivals (1) |
| The Arrivals - Chicago Band (1) | The Arrogant Sons of Bitches (1) | The Arrogant Worms (15) |
| The Arrogants (2) | The Arrogent Sons Of Bitches (1) | The Arrow (1) |
| The Arrowoods (1) | The Arrows (2) | The Arsonist's Daughter (1) |
| The Arsons (3) | The Art Bears (2) | The Art Ensemble (5) |
| The Art Ensemble Of Chicago (1) | The Art Farmer (1) | The Art Farmer - Benny Golson Jazztet (1) |
| The Art Farmer Quartet (1) | The Art Farmer Quintet (1) | The Art Farmer and Benny Golson Jazztet (1) |
| The Art Farmer/Benny Golson jazztet (1) | The Art Ghetto (1) | The Art Of Belly Dancing (1) |
| The Art Of Duo (1) | The Art Of German Musicalstars (1) | The Art Of Illusion (1) |
| The Art Of Morin Khuur (1) | The Art Of Niose (1) | The Art Of Noise (29) |
| The Art Of POP (1) | The Art Of Rime (1) | The Art Of Sysyphus (1) |
| The Art Steele Blues Band (1) | The Art Van Damme Quintet (1) | The Art of Drowning (1) |
| The Art of Noise (29) | The Art of Noise featuring Joe Graf (1) | The Art of Noise featuring Tom Jones (1) |
| The Art of Romance (2) | The Art of Sacrifice (1) | The Art of Scott Joplin (1) |
| The Art of Symphus (1) | The Art of Teresa Stich-Randall CD 1 of 4 (1) | The Art of Teresa Stich-Randall CD 2 of 4 (1) |
| The Art of Teresa Stich-Randall CD 3 of 4 (1) | The Art of Teresa Stich-Randall CD 4 (1) | The Art of Trumpet (1) |
| The Art of Voices (1) | The Art of the Guitar (1) | The Art of the Indian Sitar (1) |
| The Art of the Legendary Tishvaisings (1) | The Artful Dodger (2) | The Arthur Lyman Group (2) |
| The Arthur Murray Orchestra (2) | The Arthurs (1) | The Articles (2) |
| The Artinis (1) | The Artist (7) | The Artist & Nona Gaye (1) |
| The Artist & The NPG (2) | The Artist Formerly Know As Prince and The New Power Generation (1) | The Artist Formerly Known As Prince (31) |
| The Artist and NPG Records (1) | The Artist of the Year (1) | The Artistics (3) |
| The Arto of Noise (1) | The Arts (1) | The Artwoods (1) |
| The As-Is Ensemble (1) | The Asbury Brass Quintet (1) | The Ascension Dimension (3) |
| The Ascension Youth Choir (Episcopal Church of the Ascension, Stillwater, MN) (1) | The Ascensions (1) | The Asfixiated (1) |
| The Ashes (2) | The Ashley Hutchings Big Beat Combo (1) | The Ashtray Hearts (1) |
| The Asparagus (1) | The Aspen Wind Quintet (1) | The Ass Baboons of Venus (1) |
| The Assailant (3) | The Assassination Collective (1) | The Assassins (1) |
| The Assassinz (2) | The Assembly (2) | The Assembly Players (1) |
| The Assistant (4) | The Assistant/This Ship Will Sink/Takaru (1) | The Assmen (1) |
| The Associated Board of Royal Schools of Music (1) | The Associated Board of the Royal Schools of Music (1) | The Associates (7) |
| The Association (25) | The Assosiation (1) | The Assumption Grotto Church Choir and Orchestra (2) |
| The Astatics (1) | The Asteroid #4 (1) | The Astonishing Urbana Fall (2) |
| The Astral Projection (1) | The Astrayed (2) | The Astronaut Suit (1) |
| The Astronauts (5) | The Asylum Kids (1) | The Asylum Street Spankers (5) |
| The Atari Star (2) | The Ataris (56) | The Ataris, Useless ID (1) |
| The Ataris-Useless ID (1) | The Ateneo de Manila College Glee Club (1) | The Athenians (6) |
| The Athenians, Romiosini, Michalis Terzis (1) | The Athos Monasery Dionysiu (1) | The Atlanta Feminist Women's Chorus (1) |
| The Atlanta Fox Theatre Remembers Bob Van Camp At its Mighty Moller Pipe Organ (1) | The Atlanta Wind Symphony (1) | The Atlantcs (1) |
| The Atlantic Arts Ensemble (1) | The Atlantic Brass Quintet (1) | The Atlantic Breakers (1) |
| The Atlantic Family (1) | The Atlantic Group Release (1) | The Atlantic Jazz Trio (1) |
| The Atlantic Orchestra (1) | The Atlantic Sinfonieatta (1) | The Atlantic Story (2) |
| The Atlantics (3) | The Atlas Project (1) | The Atlas Saxophone Quartet (1) |
| The Atlas project (1) | The Atman Project (1) | The Atmosfear (2) |
| The Atmosphere Collection (6) | The Atmosphere Introducing Mae B (1) | The Atmosphers Collection (1) |
| The Atom Smashers (1) | The Atomic Bitchwax (2) | The Atomic Blue (1) |
| The Atomic Bombs (2) | The Atomic Café (1) | The Atomic City Rhythm Rascals (1) |
| The Atomic Cosmonaut (2) | The Atomic Men (1) | The Atomic Missiles (1) |
| The Atomic Numbers (3) | The Atomic Spuds (1) | The Atomiks (1) |
| The Atoms (2) | The Atro "Wade" Mikkola Quartet (1) | The Attack (4) |
| The Attack - The Five Day Week Straw People (1) | The Attic (1) | The Attic Project (1) |
| The Attractive Female Twins (1) | The Au Pairs (3) | The Auburn University Marching Band (2) |
| The Audible Campaign (1) | The Audibles (1) | The Audience (5) |
| The Audiopocracy (2) | The Audition (1) | The Audrey Hornes (1) |
| The Audreys (1) | The Audubon Quartet (1) | The August Prophecy (1) |
| The Augustana Choir (7) | The Augustana Choir, with Marc Hafso (1) | The Aulos Ensemble (1) |