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1.
Roberto Agustín Miguel Santiago Samuel Trujillo Veracruz, the latest bassist of metal band Metallica who joined in 2003 replacing Jason Newsted.

In scots, Robert is often shortened to "Rab" and Trujillo's last name begins with "T". Hence,Rab T
James : "Now here's a solo from my good friend, Rab T"

Rab T : "Hey, my name is Roberto Agustín Miguel Santiago Samuel Trujillo Veracruz, but I'm fine with Rab T"
by Rab T 2 June 27, 2009