Those with a fondness for smart, energetic pop songs would do well to check out the music made by Radiator Hospital. Last year’s  Something Wild was one of my favorite albums of the year, and they’re equally at home in the live setting. Since then, Radiator Hospital has released the more stripped-down Mall of America;  Total Request, a split with Kyle Kaos, is Radiator Hospital’s latest. I checked in with Sam Cook-Parrott via email to discuss arrangements, music distribution, and his power pop roots.