by Robert Bell
Alterna-metal four-piece Machina and industrial-ambient rock band The Vail play Maxine's, 8 p.m., free.
Mandy McBryde's country-tinged tunes will scratch your singer/songwriter itch at The Afterthought, 8 p.m., $5.
Honky-tonk country crooner David Ball comes to Denton's Trotline, with Luke Williams, 9 p.m.
Demento-blues-breakers The Sideshow Tragedy play Downtown Music Hall with local bruisers Brother Andy & His Big Damn Mouth, 8 p.m., $6.