WEDNESDAY: The America's Most Wanted Tour, featuring chart-topping rappers Lil Wayne, T.I., and 2 Chainz, touches down at 1st Mariner Arena. Wisconsin punk band Masked Intruder plays the Sidebar with Elway, Sam Russo, and Widows Watch. The Lisa Perry and Jeremy Lyons visit the Emmanuel Episcopal Church on its current East Coast tour. Long-running Orange County rockers Rx Bandits headline the Baltimore Soundstage. Mark Whiskey and the Sours play rockabilly at Joe Squared.
THURSDAY: Club K features local indie rap from the funny and upbeat AK Slaughter and the intense P.T. Burnem. SONiA aka Disappear Fear performs solo at Baldwin's Station. Singer-songwriter Mike Weyrauch performs at Joe Squared. Jersey dance-punks the Front Bottoms play the Ottobar with locals Sun Club. Pennsylvania drums/keyboards duo Slingshot Dakota plays the Charm City Art Space. Don't miss: Lil Wayne sidekick Cory Gunz (son of Peter) performs at the Latin Palace.
FRIDAY: Artscape kicks off with performances by R&B stars Kem and Bridget Kelly on the main stage, Matmos on the Station North stage, and Sound Off Live! contest winner the Rez on the festival stage. Meanwhile, Arbouretum and Raindeer headline the first night of Ratscape at Hour Haus. P.O.D. sings "we are the youth of the nation" while pushing 40 at Rams Head Live. Singer Beth McDonald and pianist Joe Holt perform vocal jazz chestnuts at Germano's Trattoria. Mike Tramp, formerly of White Lion, plays the House of Rock. Awesome experimental-rock trio and Short List pals Your Solar performs at Joe Squared with the Sit-ins and Teachers for Sale.
SATURDAY: The North Mississippi Allstars and the Dirty Dozen Brass Band headline the main stage at Artscape while talented local rapper UllNevaNo performs on the festival stage, and Dead Mellotron and Thee Lexington Arrows play the Station North stage. A$AP Ant, Abdu Ali, and Schwarz are among the featured local hip-hop and dance acts at the latest GuttahBall. Baltimore-based label Scenic Route Records holds a second annual free showcase at the Windup Space with the Water, Letitia VanSant, and more. Nashville indie combo the Future plays at Joe Squared. Cannibal Ox performs the cutting-edge bullshit indie hip-hop of 2001 at the Ottobar. The blues is number one at the Flying Dog Brewery in Frederick, which hosts the Jon Spencer Blues Explosion tonight. The Llamadon pizza party at Pinebox Art Center features music from 7th Floor Villains, the trio of Baltimore rappers OG Dutch Master, Black Zheep DZ, and Butch Dawson. fun. is terrible, but openers Tegan and Sara are not at Merriweather Post Pavilion. Don't miss: Hour Haus' Ratscape festival continues with the fantastic Lazlo Lee and the Motherless Children.
SUNDAY: The Artscape main stage features reggae legends the Wailers and Baltimore psych-rockers Flying Eyes, while Horse Lords and Wildhoney play the Station North stage, and Appaloosa headlines the festival stage. Cemetery Piss plays the final night of Ratscape. Don't miss: Club K presents No Brains Fest, aka Homie Fest, with touring bands including California's Calculator, Michigan's the Reptilian, and Texas' Innards.
MONDAY: Hagerstown's the Usual, one of those emo-violence bands you've heard so much about, play the Charm City Art Space with Frameworks and Whenskiesaregrey. 98 Rock's Noise in the Basement showcases local bands Fatally Yours, Playground Etiquette, and From Russia with Love at the Ottobar.
TUESDAY: You may not like the name of the Wisconsin band Trashcan Tommy and the Blackouts, who play the Sidebar tonight, but you have to admit it's a step up from their previous name, the Fingerfux. L.A. folk rockers Dawes headline Rams Head Live with Shovels and Rope. Brit psych-rockers the Virginmarys play Baltimore Soundstage. Don't miss: Merriweather Post Pavilion hosts the Americanarama Festival of Music, a tour featuring the one and only Bob Dylan along with disciples like Wilco and My Morning Jacket.
WEDNESDAY: The Steve Miller Band, or "a non-playing motherfucker," as Miles Davis once famously called them, headlines the Pier Six Pavilion. Don't miss: Craig Cummings presents Screams and Whispers, a songwriters' showcase, at Joe Squared.
IN THE WINGS: Washington, D.C.'s underground-rock institution, the Black Cat, will celebrate its 20th anniversary in September with two all-star concerts, with Girls Against Boys and Ted Leo on Sept. 13 and Shudder to Think and Tuscadero on Sept. 14. (For more information, visit blackcatdc.com or call  667-4490.) The Charm City Devils and the Kelly Bell Band headline Island Bay Day on Queen Anne's County Fairgrounds in Centreville, Md., on Oct. 12. (For more information, visit islandbayday.com or call  829-1453.) The mighty Pearl Jam has just announced a North American tour that will bring them to 1st Mariner Arena on Oct. 27. (For more information, visit baltimorearena.com or call  347-2020.)