Complex sentence: With the exception of a guitar part that Hebden recorded for "Slow Jam", the music for the album was composed exclusively from samples, with Hebden working from a file of samples that he had assembled over many years.
Split into simpler sentences: With the exception of a guitar part that Hebden recorded for "Slow Jam", the music for the album was composed exclusively from samples. Hebden worked from a file of samples that he had assembled over many years.