Messan Jordan Benissan, applied music associate at Colby, will lead an African drumming ensemble comprising 33 student musicians at the Waterville Unitarian-Universalist Church at 10 a.m. Jan. 17 as part of the church’s commemoration of Martin Luther King Jr. Day. The ensemble includes students participating in Benissan’s Jan Plan course, African Music, a hands-on introduction to the music of Africa. Benissan is a master drummer of the Ewe people of West Africa and is known for his exploration of complex cross-rhythms.