Legacy of S.F. Sorrow

21st Century Breakdown is the eighth studio album by the American rock band Green Day, released on May 15, 2009, through Reprise Records. Green Day commenced work on the record in January 2006 and forty-five songs were written by vocalist and guitarist Billie Joe Armstrong by June 2007, but the band members did not enter studio work until September 2007.

David Jon Gilmour is an English musician, singer, and songwriter best known for being the lead guitarist of the English rock band Pink Floyd. He joined in 1967, shortly before the departure of founding member Syd Barrett. By the early 1980s, Pink Floyd had become one of the highest-selling and most acclaimed acts in music history. Following the departure of Roger Waters in 1985, Pink Floyd continued under Gilmour's leadership and released the studio albums A Momentary Lapse of Reason (1987), The Division Bell (1994) and The Endless River (2014).