Circles are everywhere and endlessly intriguing. We know, sense, and feel them in time, space, sound, and the cycles of nature. A person's life contains spirals, repetitions, going out and coming back. Poets write of circles; composers write song cycles. Circles are at the root of the curriculum, concepts deep yet accessible, infinite in their many manifestations. Circles can provide entrance into a new land of understanding by combining disciplines, meanings, modes, and media. The only things needed to make a circle are a point and a line. This article is a practical meditation on the learning resonance of circles, rounds and music. On one level, it is about how the author teaches rounds (or canons) by combining music and movement. It is also about how circles and cycles manifest in many aspects of life and the arts.