Sun Music originally known as SCV, Sumangali Cable Vision) is a 24-hour music channel led by the well-known Sun TV Network of India. The channel features Tamil music from Kollywood. Most of the shows in Sun Music requires call-in audience participation, where the callers speak to a video jockey and request songs that may be dedicated to their loved ones. Sun Music is currently broadcast in many other countries apart from India such as Malaysia and Dubai. Sun Music is available 24/7 in Malaysia on Astro Channel 212 and in Singapore on StarHub TV Channel 134. Its HD counterpart was launched on 11 December 2011.