As part of its Sangeetha Lakshana Lakshya Series, Music Forum is organising a lec-dem on June 3 at Arkay Convention Centre, Luz. Prof Madhusudhanan Kalaiselvan will talk on ‘Reference to temples in Thiruvachagam’. He will be accompanied by J. B. Keerthana, J. B. Sruthi Sagar and Yogaraj. At 10 a.m.