This article and the quote
prompts me to wonder if there are any contemporary artistes who are still following the gurukulavasam route to learn CM.Since I learnt in gurukulavasam, I can say with conviction that it is the best way to learn. One look from your guru can direct the very next note you sing/play
Great vidwans of yesteryears like MDR, KVN went through gurukulavasam to learn from their esteemed gurus.