(PRESS RELEASE) Los Altos, CA — Sonoma Wire Works announces RiffRumble 12, an online song contest for RiffWorks recording software users. Entries will be accepted for two weeks: September 10 – 23, 2008. Contestants worldwide will record songs on their own or team up into virtual bands of two to four musicians, record songs together online, and compete for over $2500 in prizes from IK Multimedia and Drummerheads. RiffRumble 12 takes place on RiffWorld.com, a vibrant online music collaboration and song posting community for RiffWorks users. No purchase necessary (RiffWorks T4 free edition may be used). No entry fee.