Complex sentence: Worse was to follow when Belew queried Weymouth about songwriting credits (having co-written several of the album's songs in addition to his playing) and was apparently blanked, with Weymouth no longer returning his phone calls.
Split into simpler sentences: Worse was to follow when Belew queried Weymouth about songwriting credits, having co-written several of the album's songs in addition to his playing. He was apparently blanked, with Weymouth no longer returning his phone calls.