found: RJD2 (Musician). Deadringer [SR] 2002:label (RJD2)
found: All music guide WWW site, Apr. 30, 2003(RJD2; b. May 27, 1976, Eugene, OR; rap musician)
found: OCLC database, Apr. 30, 2003(hdg.: RJD2 (Musician))
found: All music guide WWW site, Oct. 30, 2007(RJD2; b. Ramble Jon Krohn, May 27, 1976, Eugene, OR; rap musician)
found: Laughingsquid.com, March 25, 2011("We are the doorways" is the first release by RJD2 under the alternate persona of The Insane Warrior.)
notfound: U.S. copyright file, Apr. 30, 2003