A4 has been played on NTS shows including Ben Sims Presents: Run It Red, with Kynosoura first played on 23 August 2023.

There are 6 artists with the name "A4":

A Dutch Punkband. The members were Martin Woudstra, Harry (later Paul), Geurt (Ex-Ex) drums & Charlotte Smits played bass (later some one else, don't know the name). They stopped at the end of 1983.

A Korean boyband. Lead vocal was Wheesung.

Former name of UK rapper Josef Motley of swampglow and Tortoiseshell Male, active between 2003-05.

A jazz group from Turku, Finland. Their album "Changes" was released in 2009.

A rap group from Azerbaijan.

A techno producer, aka Asier Morillas.