Complex sentence: Postmodern Jukebox's October 2013 collaboration with Puddles Pity Party on a cover of Lorde's "Royals" generated particularly strong interest; as of September 2014, this video remained the second most popular on Bradlee's YouTube channel with over 8.7 million hits.
Split into simpler sentences: Postmodern Jukebox's October 2013 collaboration with Puddles Pity Party on a cover of Lorde's "Royals" generated particularly strong interest. As of September 2014, this video remained the second most popular on Bradlee's YouTube channel with over 8.7 million hits.