'Wheels of Fire' is Cream's sequel to their break-out masterpiece, 'Disraeli Gears'.  It is a two-disc set recorded over a years time between July of 1967 and June of 1968, and released in August of 1968, just several months before The Beatles released 'The White Album', the first double album composed entirely of newly composed studio tracks.  'Wheels of Fire' is less impressive as it consists of a studio album, and a mediocre live disc featuring only one new song, two retreads, and the legendary 'Crossroads', which was released as a single in February of 1969 and rose to number 28 on the national charts.  But 'WoF' is desirable primarily because it contains about a quarter of all the studio tracks Cream ever recorded.