Mickey was 86 years old when he died, according to KHOU. His death comes days after he canceled several tour dates, citing health issues and low energy levels as the cause. On his personal Facebook, the singer said of the cancelation: "I am so sorry to have cancelled the May dates at the theatre in Branson. The last couple of weeks, my energy level and some health issues kept me from being 100% at my shows. "So, I've been seeking doctors to get me back on track. I certainly don't like to cancel at the last minute, but unfortunately I...