William Blake's body of work has influenced countless writers, poets and painters, and his legacy is often apparent in modern popular culture. His artistic endeavours, which included songwriting in addition to writing, etching and painting, often espoused a sexual and imaginative freedom that has made him a uniquely influential figure, especially since the 1960s. After Shakespeare, far more than any other canonical writer, his songs have been set and adapted by popular musicians including U2, Jah Wobble, Tangerine Dream, Bruce Dickinson and Ulver. Folk musicians, such as M. Ward, have adapted or incorporated portions of his work in their music, and figures such as Bob Dylan, Alasdair Gray and Allen Ginsberg have been influenced by him. The genre of the graphic novel traces its origins to B