There is more than one artist of this name:

1) boki (all lower-case) was the name used by English amateur electronic musician Steve Bock after releasing two tracks on mp3.com in 1997 under the name Imbalance and then discovering there was at least one other band using that name. boki's music has so far only been released on the internet, though The Dark Soul (a re-titled and very slightly remixed version of 'Deadcnut', a track produced as an early piece of original content for the Cook'd And Bomb'd website) appeared on a CD-R compilation distributed by the fanzine Paintbox, and a piece called That's Nice, Dear appears on the recently-released 'Can Buy Me Love vol. 4' compilation from the Digital Vomit collective. He has never done a Rihanna cover, that was some other Boki, and as there are other Bokis he now uses the name Neon Sewer.

2) Boki was also the name of a drum and bass project by French musician Des Xavier under which name two albums were released in 1999 and 2000 respectively.

There also appear to be two DJ Bokis - one based in Canada and the other in Serbia. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.