Recording artist Sammy Hagar arrives at the Keep Memory Alive 16th Annual 

Recording artist Sammy Hagar arrives at the Keep Memory Alive 16th Annual "Power of Love Gala" honoring Muhammad Ali with his 70th birthday celebration on Saturday, Feb. 18, 2012, in Las Vegas. (AP Photo/Jeff Bottari)
Associated Press
Recording artist Sammy Hagar arrives at the Keep Memory Alive 16th Annual "Power of Love Gala" honoring Muhammad Ali with his 70th birthday celebration on Saturday, Feb. 18, 2012, in Las Vegas. (AP Photo/Jeff Bottari)
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