Generate a Baroque-style ground bass for a historical documentary scene. Use european staff notation with british note names  a repeating pattern of minims and crotchets in D minor. Show an animated manuscript where a stradivarius plays long semibreves with trills. Include curwen hand signs over the player s left hand to indicate the tonic solfa (doh, me, lah). The atmosphere should recall medieval chant and a distant echo of pompeii cornu  ancient brass colouring the bass line. The visual overlay in the video must highlight each quaver with a glowing dot as the music progresses.