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Friday
 · Rumor has it that it's Cinco De Mayo, the city's most beloved day of officially sanctioned public drunkenness. On the off chance that you haven't already decided on your preferred tequila supplier, LA.com's got a list of places sure to be swarmed by the amateur margarita-pounders hitting the town tonight.
· Radio host Marc Maron, formerly of Air America's Morning Sedition, returns to the stand-up thing at the UCB.
Saturday
 · Derby day music round-up: The Slackers at The Troubadour; Wango Tango at the Verizon Wireless Ampitheater (featuring Cruise BFF Kanye West); Hip-hopera genius R Kelly at the Gibson Amphithetre.
· The Alex Film Society screens A Hard Day's Night, with all sorts of extra goodies for hardcore Beatles fans.
Sunday
 · And still more music: Starlight Mints and Dios Malos at The Troubadour; Irving at Spaceland.
· The Echo hosts a benefit for the Edendale Branch Library, with an "irregular wine tasting," music by The Living Sisters, some readings, and a book sale.