In a time when music is shoveled down listeners’ throats, GYPSYHAWK backs up the walk with rock, and maybe a little swagger -- but that’s all for good showmanship as much as the sake of the song. The Pasadena, Calif. foursome has been honing its sound, sharpening its riffs and showing the promise it holds in the palm of their hands since the band’s mid-2009 inception through perseverance, practice, and an ever-increasing number of shows both at home in Southern California and across the U.S.