"We're the Hungarian Horntails! Are you ready to burn this place down into a fiery wreck?" yells 8-year-old Darius Wilkins, onstage with bandmates Rayn Feeney, 9, and his younger brother, Holden, 5. They're in the middle of sound check on a muggy Saturday afternoon in June at Pete's Candy Store in Brooklyn. Seconds later, there's another high-pitched yelp from Darius: "We're the Hungarian Horntails, and we're going to blow this place up with fire and rock!"

The Hungarian Horntails are not just a rock band whose members are kids. They're a wizard-rock band, one of a growing worldwide cohort -- currently numbering 183 bands -- that emerged from the tight-knit, do-it-yourself community rooted in Harry Potter fandom. These bands use MySpace for publicity, produce and release their own music, and book concerts at libraries. The Horntails are named after characters from "The Goblet of Fire," and their songs have titles like "Kill the Basilisk" and "Which Witch Is Which?" Their first album is called "Burn Voldemort's Butt."

With momentum from the release of the final book and the "Order of the Phoenix" movie, wizard rock is crescendoing. For wizard rockers and their fans, this is a time to mourn and rock out: the last summer for this community to pay tribute to Harry Potter before the series is complete, and the last summer for Web sites like The Wizrocklopedia and WizardRock.org to keep loving, obsessive track of the bands, the shows and the wizard-rock-themed festivals where muggles can rock out.

As a founding member of the legendary Los Angeles band X, John Doe was one of the first punk rockers to fully embrace the rebellious spirit of country and folk music. A quarter-century on, Doe's music is a little more controlled than the punk bursts of yore, but as this track from his upcoming CD, "A Year in the Wilderness," shows, he's still mighty rambunctious. Spurred on by some seriously Stones-y guitars, "The Golden State" finds Doe rocking out with all the conviction and authority of the rebel music pioneers he cares so deeply for, thanks in no small part to Kathleen Edwards, whose spirited vocals make this track sound like a skid row reworking of a classic June and Johnny Cash number.