Complex sentence: The first single of the album was released on August 10,2007 entitled "Never Enough", accompanied by a music video and the second single, "Chasing the Dragon," was released in 2008 without an accompanying video.
Split into simpler sentences: The first single of the album was released on August 10,2007 entitled "Never Enough". The second single, "Chasing the Dragon," was released in 2008 without an accompanying video.