Singer/songwriter/guitarist John Hribernick and singer/percussionist Kristi Barnes have been performing together as Those Guys since 2011. In addition to John's original songs, they play an eclectic yet familiar mix of popular tunes, with a wide-ranging song list featuring harmony-laden pop (Beatles, Indigo Girls), blues (Lucinda Williams, Taj Mahal), folk rock (Jack Johnson, John Mayer), protest rock (Green Day,…