Endlessly which was recorded in New York, London and Spain represents the next chapter of an already astounding career. The CD was co-written and co-produced by Duffy and acclaimed songwriter/ producer Albert Hammond. Endlessly follows Duffy's debut CD Rockferry which was the 4th best selling worldwide album in 2008 and included back-to-back hit singles "Mercy," "Warwick Avenue" and "Stepping Stone". Rockferry sold 6.5 million copies.Endlessly which was recorded in New York, London and Spain represents the next chapter of an already astounding career. The CD was co-written and co-produced by Duffy and acclaimed songwriter/ producer Albert Hammond. Endlessly follows Duffy's debut CD Rockferry which was the 4th best selling worldwide album in 2008 and included back-to-back hit singles "Mercy," "Warwick Avenue" and "Stepping Stone". Rockferry sold 6.5 million copies.read less