Mod Marty’s got the records, the instincts, and a weakness for a tune with a bit of bite. This week on On Target, the ’60s and ’70s collide in a heady mix of mod, Northern Soul, R&B, and roots reggae, with tough rhythms, brassy flourishes, and just the right amount of grit. These are sounds built to shake a room, snap a few fingers, and put a little strut in your step. Tune in and get yourself On Target.