Steely Dan is a Grammy-Award winning American jazz fusion/Rock band centered on core members Walter Becker and Donald Fagen. The band's peak of popularity was in the 1970s, when it released six albums that blended elements of jazz, rock, funk, R&B, and pop. Their music is characterized by complex jazz-influenced structures and harmonies, literate and sometimes obscure or ambiguous lyrics filled with dark sarcasm, and their adroit musicianship and studio perfectionism.rnrnThe group toured from 1972 to 1974, but in 1975 became a purely studio-based act. They disbanded in 1981, but have since reunited. They had two reunion tours in the summers of 1993 and 1994 and new studio releases in 2000, Two Against Nature, and 2003, Everything Must Go, with accompanying tours. They have sold more than 30 million albums worldwide.