Bitches Brew, Miles Davis' groundbreaking double-LP of 1969, whose 40th anniversary will be celebrated with two separate retail packages, both released August 31st, but can be Pre-Ordered now:

• Bitches Brew: Legacy Edition (a three-disc set, comprising two CDs that contain the original 94-plus minutes of music, in their original 8-track studio mixes unavailable on CD for many years, plus several bonus cuts; and a DVD that contains a previously unissued concert performance by the Miles Davis Quintet filmed in Copenhagen, November 1969)