John Cale is best known as the founding member of one of the most important rock bands of all time - the Velvet Underground - and in a wide-ranging solo career since the band's demise. Cale has created blistering rock music, classical and avant-garde compositions, notable film scores and has produced albums by Iggy Pop, Patti Smith and Squeeze. In this fascinating biography, Cale returns to Garnant in Wales where he grew up and began a promising career as a classical musician, before abandoning it all for the allure of New York in the 1960s. This documentary includes an exclusive interview with Lou Reed.