Complex sentence: He also joined The Smashing Pumpkins to tour in support of the band's ninth studio album, "Monuments to an Elegy" (2014) and produced Howling Bells third studio album The Loudest Engine.
Split into simpler sentences: He also joined The Smashing Pumpkins to tour in support of the band's ninth studio album, "Monuments to an Elegy" (2014). And produced Howling Bells third studio album The Loudest Engine.