"Samuel 'Sam' Gas Can is often viewed as Massachusetts' answer to the question: Daniel Johnston or Jad Fair? Like those two vaunted talents, 'Sam' has a dab hand with creating instantly memorable pop hooks that manage to glow with outside energy even as they rub your (figurative) shoulders. On this single, Sam joins up with some old running mates from Worcester to create an off-kilter roots-pop exploration of the connections between Sesame Street's Ernest and Fecal Matter's Kurtis. Both are pres…