| Band | Years | Genre | | Band | Years | Genre |
| A (17) | 1997 - | Rock | | Amorphis (3) | 1990 - | Heavy Metal |
| A-Frames (1) | | | | Amplified Version (0) | | Contemporary Christian |
| A-Ha (22) | 1982 - | Synthpop | | Amps, The (4) | 1995 - 1997 | Garage Rock |
| A-Teens (13) | 1998 - | Pop | | ananda (7) | | New Age |
| A. R. Kane (4) | 1986 - | Pop | | Anathema (4) | 1990 - | Doom Metal |
| A.F.I. (30) | 1991 - | Punk | | Anavox (2) | | Christian Rock |
| A1 (20) | 1996 - | Pop | | And Also the Trees (6) | 1979 - | Alternative Rock |
| A3 (105) | 1995 - | Acid Techno | | And You Will Know Us by the Trail of Dead (6) | 1994 - | Emo |
| A Certain Ratio (4) | 1977 - | Alternative Rock | | Anderson Bruford Wakeman Howe (76) | 1968 - | Classic Rock |
| A Foot in Coldwater (2) | | | | Andrews Sisters, The (4) | Dec 1932 - 1953 | Traditional Pop |
| A Passing Fancy (2) | | | | Anekdoten (3) | 1990 - | Rock |
| A Perfect Circle (24) | 1999 - | Rock | | Angel (2) | | Rhythm and Blues |
| A Touch of Class (7) | | Pop | | Angelfish (7) | - 1995 | Alternative Rock |
| ABBA (73) | 1972 - 1982 | Disco | | Angelic Upstarts (3) | 1977 - 1992 | Punk |
| ABC (7) | 1980 - | Rock | | Angels, The (6) | 1973 - | Rock |
| Absolute Whores (2) | 1985 - | Rock | | Angennetta Boyz, The (1) | | Hip-Hop |
| Absu (7) | 1992 - | Black Metal | | Angizia (2) | 1995 - | Goth Rock |
| Abysm (1) | 1995 - | Progressive Rock | | Animals, The (2) | 1964 - 1983 | British Blues |
| AC-DC (85) | 1973 - | Rock | | Animotion (2) | 1984 - 1988 | New Wave |
| Acapella Vocal Band (3) | - 1993 | Christian Country | | Annihilator (4) | 1989 - | Heavy Metal |
| Acappella (21) | 1982 - | Gospel | | Anois (1) | 1996 - | Celtic |
| ACC (0) | 1993 - | Hip-Hop | | Anthrax (6) | Jun 1981 - | Heavy Metal |
| Accept (11) | 1978 - | Heavy Metal | | Anti-Flag (7) | 1993 - | Punk |
| Ace of Base (16) | 1990 - | Euro-Dance | | Anti-Nowhere League (6) | 1980 - 1987 | Punk |
| Acidjoker (2) | 1997 - | | | Antibalas (4) | | Afro-Beat |
| Acoustic Endeavors (2) | | Bluegrass | | Anubis Spire (4) | Jan 1998 - | Progressive Rock |
| Acoustic Junction (2) | 1989 - | Contemporary Blues | | Anuna (3) | 1987 - | Folk |
| ACR (4) | 1977 - | Alternative Rock | | Anvil (3) | | Heavy Metal |
| Act One Company (1) | | Contemporary Christian | | Apartment 26 (3) | | Electronic |
| Acts (0) | | Contemporary Christian | | Apocalypse Hoboken (2) | | Alternative Rock |
| AD (10) | | Christian Rock | | Apocalyptica (2) | 1993 - | Rock |
| Adam Again (5) | | Christian Rock | | Apollo 440 (4) | 1990 - | Electronica |
| Adam and the Ants (45) | 1977 - 1982 | Punk | | Apples in Stereo (12) | 1993 - | Indie Rock |
| Add N to (X) (17) | 1994 - | Electronica | | Appleton (7) | 2002 - | Pop |
| Adema (8) | | Rock | | Appliance (8) | 1996 - | Electronica |
| Adiemus (4) | 1994 - | Ethnic Fusion | | April Wine (30) | 1969 - | Rock |
| Adios Pantalones (2) | | | | Aqua (15) | 1996 - | Europop |
| Adjusters, The (2) | | Ska | | Aquabats, The (4) | | Ska |
| Admiral Twin (3) | 1998 - | Pop Underground | | Arab Strap (16) | 1995 - | Indie Rock |
| Adorable (2) | 1990 - 1995 | Britpop | | Arashi (3) | | |
| Adult. (1) | | Electroclash | | Arcade (3) | 1992 - | Hard Rock |
| Advocates (0) | | Christian Rock | | Arcadia (4) | 1984 - 1985 | New Wave |
| Aeffect, The (2) | | | | Arch Enemy (4) | | Heavy Metal |
| Aerosmith (55) | 1970 - | Rock | | Archers, The (1) | 1967 - 1990 | Contemporary Christian |
| Afghan Whigs (9) | 1986 - 2001 | Alternative Rock | | Archers of Loaf (2) | 1991 - | Noise |
| Afro Celt Sound System (3) | 1995 - | World | | Archie and the Pukes (1) | | |
| After The Fire (15) | 1971 - 1983 | Techno | | Archies, The (1) | 1968 - | Pop |
| After the Troops Leave (2) | | | | Area 7 (24) | 1993 - | Ska |
| Afterlife (9) | | | | Arena (5) | 1994 - | Progressive Rock |
| Agape (6) | 1968 - 1974 | Christian Rock | | Arid (3) | 1996 - | Alternative Rock |
| Age of Chance (2) | 1991 - | Alternative Rock | | Arkangel (1) | | Christian Rock |
| Age of Electric (5) | 1989 - | Alternative Rock | | Arm, The (3) | | |
| Agent Orange (5) | 1980 - | Punk | | Armageddon Experience (1) | | Contemporary Christian |
| Agents of Good Roots (4) | 1993 - | Rock | | Armitage Shanks (3) | 1995 - | Garage Rock |
| Agitpop (2) | 1983 - 1990 | Indie Rock | | Army of Lovers (7) | 1987 - | Pop |
| Agnostic Front (3) | 1982 - | Rock | | Arrested Development (2) | 1988 - 1996 | Rap |
| Agresión (2) | | Rock | | Arrogant Worms (13) | 1990 - | Folk |
| Air (25) | 1995 - | Electronica | | Arsonists, The (2) | 1993 - | Underground Hip-Hop |
| Air Miami (3) | 1994 - 1998 | Indie Rock | | Art of Noise, The (3) | 1984 - | Experimental Electronica |
| Air Supply (16) | 1976 - | Rock | | Articles of Faith (4) | | Punk |
| Aix Em Klemm (12) | 2000 - | Indie Rock | | Artificial Joy Club (4) | | Alternative Rock |
| AK3 (47) | 1997 - | Emo | | Asatru (2) | | Heavy Metal |
| Akercocke (3) | 1990 - | Rock | | Aschere (1) | | |
| Akwid (1) | 2000 - | Rap | | Ash (24) | 1989 - | Pop |
| Alabama (17) | 1977 - | Country | | Ashra (2) | | |
| Alabama 3 (105) | 1995 - | Acid Techno | | Asia (7) | 1981 - | Arena Rock |
| Alan Lee Jazz Quartet, The (1) | | Jazz | | Asian Dub Foundation (8) | 1993 - | Electronica |
| Alan Parsons Project (4) | 1975 - | Progressive Rock | | Aslan (2) | 1982 - | Rock |
| Alarm, The (3) | 1981 - 1992 | Rock | | Asleep at the Wheel (5) | 1970 - | Neo-Traditional Country |
| Alastor (4) | | Rock | | Association, The (3) | 1965 - | Pop |
| Alathea (4) | | Country | | Astrid (2) | 1997 - | Indie Rock |
| Albion Band, The (2) | 1972 - 2002 | Contemporary Folk | | Asylum Street Spankers (3) | 1995 - | Neo-Traditional Folk |
| Albrecht, Roley and Moore (1) | | Contemporary Christian | | At The Drive In (14) | 1994 - Mar 2001 | Emo |
| Alfie (5) | | Punk | | At the Gates (2) | | Heavy Metal |
| Ali, Lucky (4) | | Indian Pop | | Atari Teenage Riot (5) | 1992 - | Electronica |
| Alice Deejay (6) | | Progressive Trance | | Ataris, The (13) | 1998 - | Punk |
| Alice in Chains (48) | 1987 - | Grunge | | ATC (7) | | Pop |
| Alice Project, The (3) | 1996 - | Rock | | Athena (4) | 1990 - | Ska |
| Alien Ant Farm (12) | 1995 - | Rock | | Atlanta Rhythm Section (6) | 1970 - | Southern Rock |
| Alien Crime Syndicate (2) | 1997 - | Rock | | Atomic Kitten (21) | 1999 - | Girl Group |
| Alien Fashion Show (2) | 1996 - | Retro Swing | | Atomic Rooster (7) | 1969 - | Progressive Rock |
| Alien Sex Fiend (7) | 1982 - | Ambient Techno | | Atrocity (2) | 1985 - | Grindcore |
| Alisha's Attic (3) | 1996 - | Britpop | | Attractions, The (0) | | |
| ALK3 (47) | 1997 - | Emo | | Audience, The (5) | | |
| Alkaline Trio (47) | 1997 - | Emo | | Audio Adrenaline (23) | 1993 - | Christian Rock |
| All-4-One (2) | 1991 - | Urban Folk | | Audiogene (5) | | Alternative Rock |
| All-American Rejects, The (3) | | | | Audioslave (11) | 2001 - | Rock |
| All-I-Fear (1) | | | | Audiovent (3) | | Alternative Rock |
| All About Eve (4) | Jun 1985 - | British Folk | | Audioweb (1) | 1994 - | Electronica |
| All Saints (23) | 1993 - Feb 2001 | Dance | | Audra & the Antidote (1) | | |
| All Saved Freak Band (2) | 1968 - 1980 | Christian Rock | | Austin Lounge Lizards (2) | 1980 - | Bluegrass |
| All Star United (26) | 1997 - | Christian Rock | | Autechre (8) | 1991 - | Electronica |
| All Together Separate (3) | 1998 - | Christian Rock | | Auteurs, The (2) | 1992 - | Indie Rock |
| Allies (11) | 1985 - 1989 | Christian Rock | | Autograph (4) | | Hair Metal |
| Allman Brothers Band (16) | 1969 - 1982 | Southern Rock | | Automatic Slim (1) | | Alternative Rock |
| Alloy (2) | | Alternative Rock | | Autopilot Off (2) | 1996 - | Punk |
| Allure (4) | | Urban | | Avail (3) | 1987 - | Hardcore Punk |
| Almost Famous (5) | 2001 - | Alternative Rock | | Avalanches, The (3) | | Electronica |
| Alphaville (4) | 1983 - | Rock | | Avalon (3) | 1995 - | Celtic Pop |
| Altered Images (5) | 1979 - 1984 | New Wave | | AVB (3) | - 1993 | Christian Country |
| Altered State (2) | | Rock | | Avengers (1) | 1977 - 1982 | Post-Punk |
| Amazing Rhythm Aces (2) | 1974 - | Country-Rock | | Average White Band (4) | 1972 - 1982 | Funk |
| Amen (3) | 1995 - | House | | Avion (1) | 1982 - 1987 | Christian Rock |
| America (7) | 1967 - | Pop | | Aw Yeah (3) | Jun 1996 - | Alternative Rock |
| American Head Charge (5) | 1998 - | Heavy Metal | | AWB (4) | 1972 - 1982 | Funk |
| American Hi-Fi (2) | | Alternative Rock | | AXA (1) | 1995 - | Industrial Drum and Bass |
| American Music Club (6) | 1983 - 1996 | Indie Rock | | AXXIS (2) | 1989 - | Hard Rock |
| American Pearl (4) | 1997 - | Alternative Rock | | Ayreon (2) | 1994 - | Heavy Metal |
| Ames Brothers, The (3) | 1948 - 1959 | Vocal Harmony | | Aztec Camera (2) | 1980 - | Rock |
| Amon Amarth (2) | 1988 - | Black Metal | |
