Since 2012 , the band has been joined with Nik Ewing as their touring bassist .
It was announced at Austin City Limits that Nik Ewing has become an official member on October 11 , 2013 .
Since 2012 , the band has been joined with Nik Ewing as their touring bassist but it was announced at Austin City Limits that he has become an official member on October 11 , 2013 .