Ceasar Rosas, Los Lobos, Nov 1986. A singer, songwriter and guitarist for Los Lobos. Rosas also participates in the Latin supergroup Los Super Seven. Perhaps the most recognizable member of Los Lobos, Rosas is known for his trademark black sunglasses and slicked-back, black hair. His singing voice is reminiscent of Chicago electric blues legend Howlin' Wolf. His guitar playing is influenced by Jimi Hendrix.