


Alternative dance – a fusion of alternative rock and post-disco usually contains alternative rock song structures and post-disco beats.Alternative country – any style of country music that deviates from the normal, usually by incorporating elements found in alternative rock (particularly its personal lyrics).Aleatoric music – music the composition of which is partially left to chance.Aguinaldo – traditional Latin American Christmas music.African popular music – pop music informed by traditional African styles.Afroswing - a genre of music that developed in the UK during the mid-2010s, derivative of dancehall and afrobeats, with influences from trap, hip hop, R&B, and grime.Afro-Cuban jazz – style of jazz influenced by traditional Afro-Cuban music.Afrobeats - umbrella term for West African pop styles.Afrobeat – a large-scaled and energetic combination of funk and jazz.African hip hop – hip hop music performed by African musicians.African heavy metal – heavy metal music performed by African musicians.African-American music – any music made by African-Americans.Adult contemporary music – any music with lush and soothing qualities that focuses on melody and harmony.Acoustic music – a music that solely or primarily uses instruments which produce sound through entirely acoustic means, as opposed to electric or electronic means.Acousmatic music – a style of electroacoustic music that is specifically composed for presentation using speakers, as opposed to a live performance.Acid trance – a psychedelic style of trance music.Acid techno – a style of techno that developed out of acid house.Acid rock – a harder style of psychedelic rock, characterized with long instrumental solos, few (if any) lyrics and musical improvisation.

Acid jazz – a psychedelic music genre that combines elements of jazz, soul music, funk, and disco.Acid house – a psychedelic style of house music, defined primarily by the deep basslines and "squelching" sounds of the Roland TB-303 electronic synthesizer-sequencer.Absolute music – music that is not explicitly "about" anything.A cappella – a style of music performed without any background music/instruments and just voices doing the instrumentation.4-beat – a breakbeat hardcore style played between 150 and 170 BPM consisting of a fast looped breakbeat and a drum at every 4 beats.20th-century classical music – loose term for orchestral music made during or after the 20th century.

2-step garage – a chaotic style of UK garage.
