Easy, if you’re KVMR Monday Music Magazine host Greg Jewett (4 pm-6pm Mondays, 89.5 FM, kvmr.org streaming). “It takes a single mental focus, the same way I treat my radio show.”According to Jewett, “I get tunnel vision. Greg thought he was heading to host an oldies show when he took the KVMR training class. “She brings her heart and her humor to that segment.”Meanwhile, Jewett credits a parent for his sense — and love — of music. And Greg breaks the mold mighty well.