Complex sentence: After years of being restricted in his songwriting contributions to the Beatles' albums, Harrison released "All Things Must Pass", a triple album, with two discs of his songs and the third of recordings of Harrison jamming with friends.
Split into simpler sentences: After years of being restricted in his songwriting contributions to the Beatles' albums, Harrison released "All Things Must Pass". It was a triple album, with two discs of his songs and the third of recordings of Harrison jamming with friends.