Echosmith keeps it all in the family and all sincerely positive

Echosmith is the indie-pop equivalent of the Partridge Family. The four-piece band, comprised of siblings Jamie, Noah, Sydney and Graham Sierota, was all smiles and sunny positivity on Wednesday night as they brought their debut album, "Talking Dreams," and hit single "Cool Kids" to Vienna's Jammin Java. The venue, nestled in a suburban strip mall, was the perfect place for the show, allowing the band -- which ranges in age from 15 to 21 years old -- to play to a crowd of their peers: teens (and...