Another opportunity to try pedal power will happen this Friday and Saturday, April 24-25, in Sullivan, Wisconsin. Operation Adaptation is hosting an environmentally friendly music festival, complete with an entire sound stage (lights, instruments, and p.a.) powered by eight stationary bikes, courtesy of Milwaukee’s Power by the People. Festival goers are welcome to make a muscle-power contribution or just sit back and listen.More details on the music from the Isthmus Daily Page: “Nationally renowned singer-songwriter Willy Porter, along with Chinese Fingertrap and Fat Maw Rooney, will headline the stellar lineup consisting of the best roots, bluegrass, and jam bands from the U.S. and Canada.”