Pianist Jeremy Denk looks at the 'weirdnesses of great music'

To explain the relationship between aria and variation in Bach's "Goldberg Variations," pianist Jeremy Denk likened the work to jazz. He described the "Variations" as "the largest, most complex jazz riff in the history of music." Denk released his version of the "Goldberg Variations" the same month he received a MacArthur grant.