Bengaluru-based musician and three-time Grammy award winner, Ricky Kej, on Tuesday said the Indian national anthem, "Jana Gana Mana", has been the most “important piece of music” in his life. Kej on Monday led the UK's Royal Philharmonic Orchestra for a rendition of "Jana Gana Mana" and said the experience was “special”, news agency PTI reported. READ | PM Modi …