Los Angeles-based Chromatik, which is developing a web-based, music learning products, took the top honors at the Twiistup Showoff event Thursday night. The startup, headed by Matt Sandler, was voted tops out of eight total companies who pitched their startups to attendees and judges at the Los Angeles area technology event. Judges of the event were Naval Ravikant (Angel List), Scott Sangster (TechCoast Angels), Matt Thompson (Microsoft), Paige Craig (BetterWorks), and Jim Andelman (Rincon Venture Partners). Other companies who pitched at the event included Aadroid, Badgeville, Foodme, Nevolution, Sharethrough, Sonicangel, and Wanelo. Chromatik's product is still in alpha mode.