The rascally charm of nomadic country-blues singer Boo Ray is on full display in the rollicking “20 Questions,” the standout track off his latest album Tennessee Alabama Fireworks. A strutting blast of Muscle Shoals R&B, the song teems with bright horns and slinky organ, as Boo Ray tries in vain to fend off the incessant grilling by his rightfully suspicious — and pissed-off — lover.