Ambient pop – a style of dream pop with heavy ambient influence that developed in the 1980s.Ambient house – a style of house music that contains the atmospheric musical textures of ambient music.Ambient music – a style of incredibly slow electronic music that uses long repetitive sounds to generate a sense of calm and atmosphere.Alternative rock – any style of rock music deviates from the norm, usually by having melodic vocals and personal lyrics often applied to styles that sprang out following the initial punk rock music scene.Alternative reggaeton – any style of reggaeton that deviates from the norm.Originally a synonymous term for neo soul, alternative R&B (which now only refers to styles originating from the 2000s), alternative R&B tries to expand beyond the conventions of genres altogether. Alternative R&B – any style of contemporary R&B that deviates from the norm, usually by having a more electronic influence.Many alternative metal bands also tend to either have funk or hip hop music influences. Alternative metal – any style of heavy metal music that deviates from the norm, usually by incorporating elements found in alternative rock (particularly its melodic vocals).Alternative hip hop – any style of hip hop music that deviates from the norm, usually by possessing lyrics not usually found in mainstream hip hop as well as musically combining it with other genres despite its popularity among alternative rock fans, only some alternative rappers actually fuse hip hop with that genre.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.

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