Derrick May, also known as Mayday and Rhythim Is Rhythim, is an American electronic musician from Belleville, Michigan, United States. May is credited with pioneering techno music in the 1980s along with collaborators Juan Atkins and Kevin Saunderson, commonly known as The Belleville Three.

Belleville is a city in Wayne County in the U.S. state of Michigan. A western suburb of Detroit, Belleville is located roughly 29 miles (46.7 km) southwest of downtown Detroit, and 18 miles (29.0 km) southeast of Ann Arbor, and is completely surrounded by Van Buren Township. As of the 2010 census, the city had a population of 3,991.