Find the best conga instructors, classes, and lessons at HeyKiki and learn how to dance the conga. Dying to get into a conga line? Why not learn the instrument behind the dance sensation? A conga, also known as a tumbadora, is a tall, single Cuban drum. Usually, they come in a pair so one would have two congas in front of them. It is almost entirely hollow on the inside. Once used for religious ritual music, the congo has spread into numerous other genres in popular music and has spawned an accompanying dance.