Read Above: When Sex Mex (Clark Gray) takes the stage, his act is somewhat unassuming. How loud, how encompassing, could one man sitting behind a drum set with amps on either side truly get? But once the retro synth lines start bleeding through the venue, once Clark’s saturated vocals start filling the atmosphere, interspersed with the near-deafening clash of his breakneck rhythms, you start to get it.