“It’s a master study of a painting by Odd Nerdrum, a modern painter who is inspired by Rembrandt,” she explains.

Court painter by then for nearly 30 years, he had risen to become one of Europe’s greatest artists.

She said her career as a painter, printmaker, collage and stained-glass artist and teacher meant she mixed with the "intelligentsia of Swansea".

Mikolaj Wyszynski is a painter and illustrator from downtown Los Angeles.

Numerous painters in the first half of the 20th century pondered the question of sonic abstraction as a guide to making unprecedented art, proposing a wide variety of abstract rhythms of shape and color.