The ARTery is dedicating its just inaugurated Svatantra 2021 festival to the late violinist Sangita Kalanidhi Prof. T.N. Krishnan.  Professionally recorded, hour-long concerts by several recognised artistes will be individually released every fortnight for about 15 Sundays, culminating around Krishnan’s first death anniversary in November. Ramanathan Iyer, the brains behind…