Question: Orca includes a guest performance by which member of UTP Playas?

Context paragraphs:
Galina Savova: Galina Savova (Bulgarian: Галина Савова ) (born 1945) is a Bulgarian operatic soprano.  The singer completed her education first in Varna, in Sofia and then began her career in 1966 with a beginner's engagement at the National Opera House of the Bulgarian capital.  She sang there already lots from the Slavic and the Italian operatic repertoire, as it was set in 1971 at a guest performance of the Opera of Sofia at the Paris Grand Opera in the title role of Puccini's "Turandot".

Orca (C-Bo album): Orca: The Killer Whale of the Hood is the 12th studio album (13th overall) by American rapper C-Bo, which was released on July 3, 2012 through his own imprint West Coast Mafia Records and Uneek-Music.  The album features guest performances by Young Buck, WC, Yukmouth, BG Knocc Out, Brotha Lynch Hung E-40, Paul Wall, Slick Pulla ( CTE) and more.

Young Buck: David Darnell Brown (born March 15, 1981), best known by his stage name Young Buck, is an American rapper.  Buck is a former member of the hip hop group UTP Playas.  As a music executive, he heads his own record label, Ca$hville Records, and is currently a member of the hip hop group G-Unit.  After being dismissed from the group back in 2008, Buck reunited with his former group members on June 1, 2014 at Hot 97's Summer Jam event.

Margaret Langrick: Margaret Langrick (born 1971) is a Canadian writer and retired actress.  She won a 1986 Genie Award for Best Performance by an Actress in a Leading Role for "My American Cousin" and was also nominated in the same category in 1990 for "Cold Comfort".  She was also nominated for a Gemini Award in 1987 for Best Guest Performance in a Series by an Actor or Actress for "Danger Bay".  She also received a Young Artist Award nomination in the category Best Young Actress in a Motion Picture - Comedy in 1988 for "Harry and the Hendersons".  She is now known as Maggie Langrick, has retired from acting, and is the President and Publisher of LifeTree Media Ltd.

Outside: From the Redwoods: Outside: From the Redwoods is the second live album released by soft rock singer Kenny Loggins.  Released in 1993, it is the recording of his 1992 concert held "outside" from a venue located within a stand of giant redwood trees.  It features reworked versions of many of his songs, both from his solo work and his work in Loggins and Messina.  Michael McDonald gives a guest performance on a reworked version of the classic they co-wrote, "What a Fool Believes", and R&B singer Shanice gives guest performances on "I Would Do Anything" and "Love Will Follow".

Live in Asbury Park, Vol. 2: Live in Asbury Park, Vol.  2 is a Clarence Clemons and Temple of Soul album that was recorded live at The Stone Pony in Asbury Park, New Jersey on September 2–3, 2001.  The album features a guest performance by Bruce Springsteen on lead vocals and lead guitar for the song “Raise Your Hand”.

Nas discography: The discography of Nas, an American rapper, consists of ten studio albums, three collaborative albums, three compilations, one extended play, and twenty-six singles.  The son of jazz musician Olu Dara, Nas dropped out of school during ninth grade and began his music career in 1991 with a guest performance on the song "Live at the Barbeque" by Main Source.  In 1992, Nas contributed the track "Halftime" to the soundtrack to the film "Zebrahead", and Nas was soon signed to Columbia Records and released his debut album "Illmatic" in 1994.  Including Nas's solo debut track "Halftime", "Illmatic" was certified platinum in the US, spawned several singles including "It Ain't Hard to Tell" and "The World Is Yours", and earned much critical acclaim.  With a more mainstream-oriented sound, Nas's second album "It Was Written" was released in 1996 and included the Lauryn Hill collaboration "If I Ruled the World (Imagine That)" and "Street Dreams", the latter of which reached number 22 on the "Billboard" Hot 100 chart and number 1 on the Hot Rap Singles chart.  "It Was Written" was certified quadruple platinum.  In 1999, Nas released two albums: "I Am…" and "Nastradamus".  While "I Am" reached double platinum status like its preceding album "It Was Written" and spawned two singles that reached the top ten spots of the Hot Rap Singles chart, "Hate Me Now" and "Nas Is Like", "Nastradamus" signaled a decrease in quality and critical reception and sold only half as many units.  Still, "Nastradamus" featured two charting singles, "You Owe Me" and "Nastradamus".

What Will It Be: "What Will It Be" is an award winning limited edition digital single by Deeyah Khan, featuring guest performance rap by LA rapper and Grand Theft Auto San Andreas voice talent Young Maylay.  This was Young Maylay's first appearance in a single.

Guess Who's Coming to Dinner (album): Guess Who's Coming to Dinner is a reggae album by Black Uhuru.  The album was first released under the title "Showcase" in 1979, then as a re-edition entitled "Black Uhuru" in 1980, with the addition of "Shine Eye Gal" (featuring a guest performance by Keith Richards on guitar), and with different mixes of the original LP tracks (some shorter, some longer.)  The Guess Who's Coming to Dinner release, from 1983, is identical to the 1980 re-edition.

The Worlds of Doctor Who: The Worlds of Doctor Who is a compilation CD consisting of musical excerpts from "Doctor Who" episode soundtracks, coupled with music from some of the independent spin-off productions for Reeltime Pictures, some original music and several versions of the Doctor Who theme.  Most tracks (which included a mixture of original soundtrack recordings and newer performances) had been previously issued, with three tracks being released for the first time: Mark Ayres' main title music to the documentary "Return to Devil's End", and two arrangements of the Doctor Who theme by Mark Lambert and Ian Hu, the second of which includes a guest performance (on the musical spoons) by Sylvester McCoy.  The original theme arrangements by Delia Derbyshire and Peter Howell are also included.

Supporting paragraphs: Orca (C-Bo album) Young Buck
Answer: David Darnell Brown