Sufjan Stevens is an American singer-songwriter and multi-instrumentalist from Detroit, Michigan. He is best known for his 2005 album 'Illinois', which was certified gold by the Recording Industry Association of America. Cat Stevens is an English singer-songwriter who rose to fame in the late 1960s and early 1970s. He is best known for his hit singles 'Peace Train' and 'Wild World'. Both Sufjan Stevens and Cat Stevens are renowned musicians who have had a lasting impact on the music industry.