He performed regularly as a solo recitalist, concerto pianist and chamber music player for over four decades, and appeared in many radio broadcasts.
In London before the war Gibb became associated with the socialist community attached to the Unity Theatre in King's Cross,[3] including the actor Alfie Bass, poet Randall Swingler and piano duo Mary and Geraldine Peppin.
[2] Friendships were formed with composers including Constant Lambert, Alan Rawsthorne and Bernard Stevens, whose music he later performed.
[4] Gibb made his debut at the Proms in 1949 (playing Dohnányi's Variations on a Nursery Song) and became a regular performer at the festival over the next decade.
[2] Gibb began teaching at the Guildhall School of Music from the 1960s, becoming head of keyboard studies there in 1967 and sometimes performing piano four hands with his colleague Edith Vogel.