 He was invited to perform with Lucinda Williams on her 2007 tour, Williams saying at the Irving Plaza NY concert that Fionn is "his generation's answer to Bob Dylan".Around this time, Regan was photographed by Annie Leibovitz for "Vanity Fair" magazine's prestigious music portfolio.In July 2008, Regan was invited to perform as part of a filmed live concert, "Liam Clancy