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Artist Julius Dubose (born December 6, 1995), known professionally as A Boogie Wit da Hoodie (or simply A Boogie), is an American rapper, singer, and songwriter. He is signed to his own label, Highbridge the Label, and Atlantic Records.

A Day to Remember (often abbreviated ADTR) is an American rock band from Ocala, Florida, founded in the spring of 2003 by guitarist Tom Denney and drummer Bobby Scruggs. They are known for their unusual amalgamation of metalcore and pop punk. The band consists of vocalist Jeremy McKinnon, rhythm guitarist Neil Westfall, bassist Joshua Woodard, percussionist/drummer Alex Shelnutt and lead guitarist Kevin Skaff.

Alison Sudol (born December 23, 1984) is an American singer, songwriter, actress, and music video director. She is known as the singer A Fine Frenzy, and also for her role as Queenie Goldstein in the Fantastic Beasts films Fantastic Beasts and Where to Find Them (2016) and Fantastic Beasts: The Crimes of Grindelwald (2018). Her music has been featured on numerous television shows and in several major motion pictures.

A Flock of Seagulls are an English new wave and synth-pop band originally formed in 1979 in Liverpool by Michael "Mike" Score (lead vocals, keyboards), his brother Alister "Ali" James Score (drums), and Francis Lee "Frank" Maudsley (bass), with their most famous line-up consisting of the Score brothers, Maudsley, and lead guitarist Paul Reynolds.

A Great Big World, the American musical duo comprising singer/songwriters Ian Axel and Chad King, emerged from New York and signed to Epic Records. Notably known for "This Is the New Year" and the chart-topping duet "Say Something" with Christina Aguilera, they achieved breakthrough success. Their early collaboration at New York University laid the foundation for a remarkable journey.

A Perfect Circle is an American rock supergroup formed in 1999 by guitarist Billy Howerdel and Tool vocalist Maynard James Keenan.

A Thousand Horses is an American country music band formed in 2010 in Nashville, Tennessee. The band is composed of Michael Hobby (lead vocals), Bill Satcher (lead guitar), Zach Brown (guitar and vocals), and Graham Deloach (bass and vocals).

A Tribe Called Quest was an American hip hop group formed in St. Albans, Queens, New York in 1985, originally composed of rapper and main producer Q-Tip, rapper Phife Dawg, DJ and co-producer Ali Shaheed Muhammad, and rapper Jarobi White, who left the group amicably in 1991. The group is regarded as a pioneer of alternative hip hop music.

ASAP Mob (stylized as A$AP Mob, ASAP being an acronym for "Always Strive And Prosper") is an American hip hop collective formed in 2006 in Harlem, New York, that consists of New York-based rappers (most of whom carry the "ASAP" moniker), record producers, music video directors and fashion designers.

Rakim Athelaston Mayers (born October 3, 1988), known professionally as ASAP Rocky (stylized as A$AP Rocky), is an American rapper, singer, songwriter, record producer, model, actor, and music video director. He is a member of the hip hop collective A$AP Mob, from which he adopted his moniker.

Darold Durard Brown Ferguson Jr. (born October 20, 1988), known by his stage name ASAP Ferg (stylized A$AP Ferg), is an American rapper, singer, and songwriter from New York City's Harlem neighborhood. Aside from his solo career, he is a member of the hip hop collective A$AP Mob,

A-Teens were a Swedish pop music group from Stockholm, Sweden, formed by Niklas Berg in 1998 originally as an ABBA tribute band called ABBA-Teens and was later renamed A-Teens.