Eminem pays tribute to Nate Dogg

Eminem has paid tribute to Nate Dogg, saying his music "will never be replaced".The singer - best known for his 1994 hit 'Regulate' featuring Warren G -died unexpectedly on Tuesday (15.03.11) and Eminem has joined the long list of people to pay tribute to him.Eminem, who recorded two tracks with Nate, 'Till I Collapse' in 2002 and 'Shake That' in 2005, told the E! Online: ''Nate's voice in music