Complex sentence: Their first album was 1984's "The Fabulous Sounds of the Pacific Northwest" after which Jim Sangster joined the group on bass and McCaughey switched to guitar.
Split into simpler sentences: Their first album was 1984's "The Fabulous Sounds of the Pacific Northwest". After the release of "The Fabulous Sounds of the Pacific Northwest", Jim Sangster joined the group on bass and McCaughey switched to guitar.