Steely Dan hadn’t been a real working band since Pretzel Logic, but with Aja, Walter Becker and Donald Fagen’s obsession with sonic detail and fascination with composition reached new heights. But Aja isn't just about texture, since Becker and Fagen’s songs are their most complex and musically rich set of songs -- even the simplest song, the sunny pop of “Peg,” has layers of jazzy vocal harmonies.
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