NEW YORK, Oct 28: Lou Reed, the pioneering songwriter and musician behind the influential rock band Velvet Underground, which fused art and music in collaboration with artist Andy Warhol, died yesterday at the age of 71, his literary agent said. Reed, best recognized by mainstream audiences for his 1972 solo hit “Walk on the Wild Side,” died at the Long Island home he shared with his wife, Laurie Anderson, following complications from a liver transplant he underwent earlier this year, his agent, Andrew Wylie, said. (agencies)