US rock singer Patti Smith (C) and composer Philip Glass perform on June 30, 2009 during the "nuits de la Fourviere", a festival dedicated to music, theatre, dance and cinema, in Lyon. Smith and Glass paid tribute to Allen Ginsberg, a US poet and figure of the beat generation, by reading some of his poems. Getty Images logo Getty Images 5 months ago

US rock singer Patti Smith (C) and composer Philip Glass perform on June 30, 2009 during the "nuits de la Fourviere", a festival dedicated to music, theatre, dance and cinema, in Lyon. Smith and Glass paid tribute to Allen Ginsberg, a US poet and figure of the beat generation, by reading some of his poems.