CBS news reported that Florence Welch, the lead singer for British band Florence + The Time Machine, had to cancel two upcoming concerts due to a vocal injury. Florence Welch ( @flo_tweet ) herself provided most of the details in a series of tweets today: July 11, 2012 @ 11:15AM : hello everyone, thankyou so much for all your messages of support, yes its true..it finally happened, I've lost my voice..:( July 11, 2012 @ 11:18AM : I've sustained a vocal injury and been told i c…