The accordion is “the most maligned instrument in the world,” according to the Monsters of Accordion's website. You can find out for yourself if that moniker fits at Luigi’s Fungarden, the music venue attached to the Downtown pizza joint, where the tour will be making a stop on Aug. 31. Seattle-based accordionist Jason Webley organized the tour and is also playing on all dates. “I meet so many amazing, freaky accordion players in my travels now, and I am lucky to count many of them as my friends,” said Webley via e-mail. The Monsters of Accordion came together “several years ago” when Webley was invited to play at an accordion shop in Oakland. “The event was incredibly fun, and was per