Janet Jackson Postpones Tour Dates to 'Rest My Vocal Chords'

Janet Jackson's Unbreakable World Tour isn't exactly unstoppable as the singer has postponed a pair of upcoming dates – Saturday's show in Salt Lake City and Sunday's gig in Denver – in order to give her voice a break. "Hey you guys, I must rest my vocal chords. Doctor's orders," Jackson tweeted Friday night. "Will be rescheduling Salt Lake and Denver. Keep your tickets! Back to Burn Up Kansas City."Jimmy Jam and Terry Lewis: Our Life in 15 Songs
Jackson concluded her message by