Complex sentence: In May 2013, The Dirty Youth supported Chevelle at the Islington Academy in London, then in July 2013 The Dirty Youth played at Rockfest in Czech Republic alongside The Rasmus.
Split into simpler sentences: In May 2013, The Dirty Youth supported Chevelle at the Islington Academy in London. In July 2013 The Dirty Youth played at Rockfest in Czech Republic alongside The Rasmus.