ReverbNation and Ernie Ball have announced their co-sponsorship of a Music Showcase at the CMJ Music Marathon in New York City. No submission fee is required from artists seeking the opportunity to play at the prestigious music festival. The Showcase will be held at Crash Mansion on Thursday, Oct. 21 and will feature seven artists. To learn more about this opportunity or to submit, visit reverbnation.com/CMJshowcase2010. The deadline for submissions is Aug. 22, 2010. Artists are required to have a free ReverbNation profile and a Reverb Press Kit (RPK) in order to apply.