Cracking down on Carnatic singers facing sexual harassment charges, the Madras Music Academy has barred seven artistes from performing in the prestigious Margazhi festival in Chennai this December. After singer Chinmayi Sripaada "exposed" lyricist Vairamuthu in a series of tweets earlier this week, several artistes came forward to level accusations against academy gurus who had mentored them. (Video courtesy: NGS Sabha)