Complex sentence: It was and was arranged and produced by Graham Preskett who had been instructed by Harvest to give the album a more mainstream production, resulting in the offbeat and ecentric presense of Ayers and Halsall sounding rather absent from mthe proceedings.
Split into simpler sentences: It was and was arranged and produced by Graham Preskett. Harvest had instructed Preskett to give the album a more mainstream production, resulting in the offbeat and ecentric presense of Ayers and Halsall sounding rather absent from mthe proceedings.