From the Valleywag Calendar:

• Music applications like Pandora and Songbird are on display at SF New Tech Meetup tonight at 7 p.m. at Fat City on 11th Street in San Francisco. [Eventbrite]
• Lunch 2.0 becomes Happy Hour 2.0 for the ZendCon PHP convention at the Hyatt Regency near the airport in Burlingame at 6 p.m.. [Upcoming]
• Want to join a bunch of malcontents at an "Angry Drunk Tuesday" gathering? Meet up at 6:30 p.m. at Eddie Rickenbacker's on Second and Natoma.