Complex sentence: Cherri Bomb released their debut EP, "Stark" on October 18,2011 and their debut studio album, "This is the End of Control", on May 15,2012.
Split into simpler sentences: Cherri Bomb released their debut EP, "Stark" on October 18,2011. They released their debut studio album, "This is the End of Control", on May 15,2012.