Geezers With Accordions
Amateur zydeco band from in the 2012 young adult novel A Rockin' Mystery, number 10 in The Hardy Boys Secret Files series, by "Franklin W. Dixon," the house pseudonym for the Hardy Boys novels since they were first published in 1927.
Accordionist Wilmer Mack is the leader. The band includes trumpet, guitar, washboard, drums, and a bass player named Clyde.
They compete in the local Battle of the Bands.