Marc Anthony is celebrating his musical ‘brother’ Sergio George from afar. The 51-year-old superstar wished his 18-time Grammy and Latin Grammy award-winning producer pal a happy birthday on Saturday, May 23. “One of my guides, my brother in music,” he wrote in Spanish, along with a moving video. “Memories from a distance.” The singer added: “I celebrate today and always, each one of our meetings to create magic! Happy Birthday @sergiogeorge love you bro!”