Ramble Jon Krohn[3] (born May 27, 1976),[4] better known by his stage name RJD2, is an American musician and record producer based in Columbus, Ohio.

[13] In 2002, RJD2 signed to El-P's record label Definitive Jux and released his debut solo studio album, Deadringer, to much acclaim.

[14] RJD2 later collaborated with rapper Blueprint under the name Soul Position, releasing 8 Million Stories on Rhymesayers Entertainment in 2003.

[18] Magnificent City includes "A Beautiful Mine", which features in the title sequence of Mad Men.

[28] It features guest appearances from Aceyalone, Homeboy Sandman, Jordan Brown, Khari Mateen, and STS.