sentences:  Reviewing "Quintessence" (1970) in "Melody Maker", Richard Williams described Barham's production as "quite superb".In a 2014 feature article on Quintessence, for "Record Collector", Colin Harper praised Barham's contributions to the band's work, labelling him "their very own George Martin … honing their onstage magic into sublime studio sculptures".Following singer Shiva Shankar Jones's departure from Quintessence, Barham produced his new band's eponymous album, "Kala" (1972).