As part of its monthly musical concert, Sri Tyagaraja Sangeetha Sabha Charitable Trust has organised the following musical programmes at Alwar Kalabhavan, Sri Krishna Temple, in Gokulam here at 6.30 pm: Dec.7: Duet by Padma Shri Vid. R.N. Thyagarajan and Vid. R.N. Tharanathan. They will be accompanied by Gana Kalabhushana Vid. H.K. Narasimhamurthy (violin), Vid. Tumkur B. Ravishankar (mridanga) and Vid. Sharath Koushik (ghata). Jan.9: Flute recital by Gana Kalashri Mysore A. Chandan Kumar accompanied by Vid. B.K. Raghu (violin) and Vid. G.S. Ramanujam (mridanga), according to a press release.