  We study gravitational waves in the black string Randall-Sundrum braneworld.
We present a reasonably self-contained and complete derivation of the equations
governing the evolution of gravitational perturbations in the presence of a
brane localized source, and then specialize to the case of spherical radiation
from a pointlike body in orbit around the black string. We solve for the
resulting gravitational waveform numerically for a number of different orbital
parameters.
