The rapper's mother/manager also posted a video reaction to shooting incident.
Most victims will lose money for hotel rooms on December 1.
Rescues continue in flooded city; mayor says death toll could reach 10,000.
New dream team is actually more than 12 years in the making.
Actress has tough night evading paparazzi in 'Just What It Is.'
Wallflowers, Live, Melissa Etheridge, Evan & Jaron also slated for five-day Florida festival.