The future of Queen and Brian May’s, 77, involvement has been given a boost by Dr Chun Tang, a GP and Medical Director at Pall Mall Medical, as he explained the recovery processafter the star’s stroke. On Wednesday morning, May took to his Instagram account to update his followers on the recent health ordeal he had been through and explained: “I hope you’re all well out there. I’m here to bring you first of all some good news. “I think the good news is that I can play guitar after the events of the last few days and I say this because I was in some doubt because that little health hiccup that …