In today’s pop culture world, in which music “idols” are auditioned, judged, anointed and frequently forgotten within the span of a few months while even “underground” acts can stir up buzz overnight on the blogosphere, the notion of a band building an audience by actually working its tail off seems positively antiquated. So go ahead and call Austin’s Nelo (rhymes with “hello”) just a little bit old-fashioned. Long before Nelo released their 2nd album, “Ordinary Scene”, songwriter/bandleader ...