If a singer/songwriter, folk troupe, indie pop idol and rock band collided... and put on two really nice hats... you’d be left with something like Sound Semantics. Channeling artists like Paul Simon, Regina Spektor, The Avett Brothers and Elliott Smith, the duo mixes sounds—acoustic and electric, old and new—to deliver listeners something strangely familiar yet unmistakably all their own. Based in Portland Oregon, Allie & Eran started making music together professionally in 2008, in conjuncti...