Complex sentence: Other evidence of the group's collective alienation came with the release of their 1968 Christmas fan club recording; the contributions were entirely individual and Lennon made disparaging remarks about his bandmates' apparent disdain for Ono.
Split into simpler sentences: Other evidence of the group's collective alienation came with the release of their 1968 Christmas fan club recording. The contributions were entirely individual and Lennon made disparaging remarks about his bandmates' apparent disdain for Ono.