BREATHEcast.comThe City Harmonic's "Manifesto" Unifies ChristiansBREATHEcast.comColorado Rockies Left Fielder Seth Smith is using “Manifesto” as his walk up music as he is introduced at games (http://mlb.mlb.com), the San Diego Padres played the single prior to the start of a recent home game, and Christian radio has driven the …