Some voices just stop you in your tracks, and demand you take notice. Think Corin Tucker’s barely-controlled wail, Wilson Pickett’s heartfelt howl, or Mark Lanegan’s weathered moans. Well, we’re gonna need a bigger boat (new category): a new, slightly hyperbolic description to capture the intensity of Valerie Pomella, singer for The Technicolor Victrola, whose EP I’ve been lucky enough to discover. Hers is a voice that stops you in your tracks, grabs you by the…