By the time this band (formed in Chicago in '65 by vocalist/harpist Paul Butterfield) released their last Elektra album in 1971, they had amassed one of the most vital new blues catalogs in music, as well as launching the careers of future stars Michael Bloomfield, Elvin Bishop and David Sanborn. This 2-CD anthology features 37 of the group's best, including classics like "Born in Chicago," "The Loving Cup" and "Shake Your Money Maker." the set also contains more than 15 cuts making their CD debut!