Roulette (curve) in this case, the point lies on the circle then the roulette is a cycloid. A related concept is a glissette, the curve described by a point attached to a given curve as it slides along two (or more) given curves. Formally speaking, the curves must be differentiable curves in the Euclidean plane. The "fixed curve" is kept invariant; the "rolling curve" is subjected to a continuous congruence transformation such that at all times the curves are tangent at a point of contact that moves with the same speed when taken along either curve (another way to express this constraint
What a Beautiful Name Beautiful Name" earned two Dove awards, Song of the Year and Worship Song of the Year. "What a Beautiful Name" won the award for Best Contemporary Christian Music Performance/Song at the 60th Grammy Awards, the first for Hillsong Worship. The song was recorded at a live performance at the annual Hillsong Conference in 2016. Hillsong performed the song at the 48th Annual Dove Awards held at Allen Arena in Nashville. The performance was well received and "had audience members on their feet with their hands in the air." When asked about performing the song in an interview with "Billboard"s Jim