A. V. Anand worked for what singer whose first public performance was in 1904?
A. V. Anand:  Anand was taught to play mridangam by ghatam player K. S. Manjunath from a young age and has worked as an accompanist for Carnatic musicians, including Chowdiah, Chembai, T. R. Mahalingam, Sundaram Balachander. Chembai:  Chembai was noted for his powerful voice and majestic style of singing.
Chembai