Complex sentence: Once recovered, Kossoff and the band performed on BBC Television's "Old Grey Whistle Test" in October 1975 and four live concerts, Liverpool, Glasgow, Newcastle and London, were undertaken in November.
Split into simpler sentences: Once recovered, Kossoff and the band performed on BBC Television's "Old Grey Whistle Test" in October 1975. Four live concerts, in Liverpool, Glasgow, Newcastle and London, were undertaken in November.