
Richard Barrett is a Welsh composer.

Rachel K Collier is a Welsh electronic music producer and performer from Swansea, Wales. She studied Creative Music Technology (BMus) for four years at the Royal Welsh College of Music & Drama before moving to London to further pursue her music career.

Laurence Cottle is a Welsh bass guitarist and composer.

Wyn Davies is a Welsh conductor.
Spencer Davis was a Welsh singer and musician. He founded The Spencer Davis Group, a band that had several hits in the 1960s including "Keep On Running", "Gimme Some Lovin'", and "I'm a Man", all sung by Steve Winwood. Davis subsequently enjoyed success as an A&R executive with Island Records.

Peter William Ham was a Welsh singer, songwriter and guitarist, best known as a lead vocalist of and composer for the 1970s rock band Badfinger, whose hit songs include "No Matter What", "Day After Day" and "Baby Blue". He also co-wrote the ballad "Without You", a worldwide number-one hit for Harry Nilsson that has become a standard covered by hundreds of artists. Ham was granted two Ivor Novello Awards related to the song in 1973.

John Jones Hewson, credited as Jones Hewson, was a Welsh singer and actor known for his creation and portrayal of baritone roles with the D'Oyly Carte Opera Company from 1896 to 1901.

Shaheen Jafargholi is a Welsh actor and singer. In 2009, he finished in seventh place on the ITV competition series Britain's Got Talent. Since then, he has portrayed the roles of Shakil Kazemi in EastEnders and Marty Kirkby in Casualty.

Daniel Jenkyn Jones was a Welsh composer of classical music, who worked in Britain. He used both serial and tonal techniques. He is best known for his quartets and thirteen symphonies and for his song settings for Dylan Thomas's play, Under Milk Wood.

Idris Lewis was a Welsh conductor and composer. He worked on the film scores of a number of productions during the 1930s, when he was employed by British International Pictures. He was the Director of Music for the Welsh Region of the BBC.

Ceri Rhys Matthews is a Welsh traditional musician, record producer, and teacher.

Dennis O'Neill CBE is a Welsh operatic tenor and recording artist.

John Patrick 'Pugwash' Weathers is a drummer, best known for playing with the progressive rock band Gentle Giant.