THE MYLAPORE FINE ARTS @ 45, Musiri Subramaniam Salai, Mylapore. December 24, 9 a.m.: Arjun Suresh and Sanjay Suresh ; 10.15 a.m.: Sowmya Subramanian; 4 p.m.: Amritha Murali; 6.30 p.m.: Sikkil Gurucharna. @ The TTK Auditorium, The Music Academy December 24, 9 a.m.: R. Suriyaprakash; 11.45 a.m.: S. Srivathsan; 1.30 p.m.: Archana and Aarathi; 4 p.m.: Shashank Subramanyam ; 6.45 …