On his own Hayes solo debut was the jazzy 1967 album Presenting Isaac Hayes, but it was his 1969 Hot Buttered Soul that was his breakthrough. It was an adventurous album that had a profound effect on soul music, even if its not among Hayes most popular works. Only four songs three of which were at least 9 minutes the album comes complete with elaborate string-enhanced productions and monologues. Indeed, Hot Buttered Soul was a concept record that stood in stark contrast to the Motown hits of the period.
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