Part tech-geek confab, part self-promotion contest, and all good excuse to drink beer and eat brownies while talking to people you've never met before, the twice-annual SF MusicTech Summit provides a fascinating window into the tech side of today's music industry. The highlight of each edition is usually the inevitable shouting match between tech whiz-kids who believe The Internet Rules All and rock codgers who wanna know where their fat royalty checks went. There are always a few fun (and alarming) predictions aired at the daylong event's panel discussions, too. But for many, the important part of the conference happens in the Hotel Kabuki's packed hallways, where musicians, code geeks, and grizzled industry types make deals, trade business cards, and otherwise forward this fascinating and sometimes ugly business of music. Whether you're a music nerd navigating the web wild west, or a tech type looking to get into a new space, the lessons gained from one day at the SF MusicTech Summit are usually worth the price of entry.