Few musicals capture the intimacy of music-making quite like Once, and Berkeley Playhouse's new production reminds us why the show became a Broadway sensation in 2012, winning eight Tony Awards including Best Musical. Adapted by Enda Walsh from John Carney's 2007 Irish film, the story blends romance, melancholy, and folk-infused songwriting by Glen Hansard and… The post Theater Review: ONCE (Berkeley Playhouse) app…