Bruce Springsteen Performs At Madison Square Garden Days After Cousin's Death

Bruce Springsteen, just three days after the death of his cousin/assistant road manager Lenny Sullivan, performed at the Rock & Roll Hall of Fame concert celebration at the famed Madison Square Garden in New York on Thursday.

Springsteen, in his two-hour set with the E-Street Band, collaborated on duets with rock icons John Fogerty (Pretty Woman) and Billy Joel (New York State of Mind).

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"Its been an incredible night," the New Jersey native told his fans.

Springsteen left a message on his Web site remembering Sullivan as "a warm and sensitive person who was beloved by Bruce, the Band, the crew, and the entire Thrill Hill family."

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Sullivan was found dead at a Kansas City hotel on Monday; police said the death does not look suspicious.