Question: Which American cello rock band was hired by a three time Super Bowl winner to perform at his private party?

<P0-S0> Troy Kenneth Aikman (born November 21, 1966) is a former American football quarterback who played for the Dallas Cowboys in the National Football League (NFL). <P0-S1>  The number one overall draft pick in 1989, Aikman played twelve consecutive seasons as quarterback with the Cowboys. <P0-S2>  During his career he was a six-time Pro Bowl selection, led the team to three Super Bowl victories, and was the Super Bowl XXVII MVP. <P0-S3>  Aikman was elected to the Pro Football Hall of Fame in 2006 and to the College Football Hall of Fame on December 9, 2008 in New York City. <SEP> <P1-S0> Primitivity is an American instrumental cello rock band consisting of three cellists and a percussionist. <P1-S1> <ref name="http://www.primitivity.com"> http://www.primitivity.com, February 2010. <P1-S2> </ref><ref name="http://www.metalunderground.com/news/details.cfm?newsid=57088"> http://www.metalunderground.com/news/details.cfm?newsid=57088, June 2010. <P1-S3> </ref> Primitivity began primarily as a cover band playing songs by the thrash metal band Megadeth and the cello rock band Apocalyptica. <P1-S4> <ref name="http://www.strathmore.org/media/pdf/pressreleases/232010_41255371.pdf"> http://www.strathmore.org/media/pdf/pressreleases/232010_41255371.pdf, February 2010. <P1-S5> </ref><ref name="http://www.metalinjection.net/tv/view/4821/cello-cover-of-symphony-of-destruction-megadeth"> http://www.metalinjection.net/tv/view/4821/cello-cover-of-symphony-of-destruction-megadeth, April 2010. <P1-S6> </ref><ref name="http://www.metalinjection.net/tv/view/4822/cello-cover-of-master-of-puppets-metallica"> http://www.metalinjection.net/tv/view/4822/cello-cover-of-master-of-puppets-metallica, April 2010. <P1-S7> </ref> The band has released one album entirely of Megadeth covers titled "Plays Megadeth For Cello". <P1-S8> <ref name="http://www.roadrunnerrecords.com/blabbermouth.net/news.aspx?mode=Article&newsitemID=138712"> http://www.roadrunnerrecords.com/blabbermouth.net/news.aspx?mode=Article&newsitemID=138712, April 2010. <P1-S9> </ref> Primitivity has also composed and performed original songs for cello rock ensemble. <P1-S10> <ref name="http://www.metalunderground.com/news/details.cfm?newsid=57088"> http://www.metalunderground.com/news/details.cfm?newsid=57088, June 2010. <P1-S11> </ref> The group was selected as a 2010 Artist In Residence at Strathmore Hall in Bethesda, Maryland. <P1-S12> <ref name="http://www.strathmore.org/eventstickets/calendar/view.asp?id=5231"> http://www.strathmore.org/eventstickets/calendar/view.asp?id=5231, February 2010. <P1-S13> </ref> <SEP> <P2-S0> Break of Reality (BoR) is an American cello rock band consisting of three cellists and a percussionist. <P2-S1>  The group is associated with the terms "cinematic rock", "cello rock", and "indie classical". <P2-S2>  Break of Reality's current members are Patrick Laird, Ivan Trevino, Laura Metcalf, and Adrian Daurov. <P2-S3>  The band's sound consists of many musical influences, such as rock, classical, and indie rock. <SEP> <P3-S0> The 440 Alliance is an American cello rock band from Arlington, Texas consisting of five cellists and a percussionist. <P3-S1>  The group formed in 2004 and is known for their diverse approach to the cello, incorporating electric effects, turntables, piano, and mallet percussion. <P3-S2>  They received national exposure on NPR's "All Songs Considered", the Drew Pearson Show on Fox Sports, and on Fox's musical reality show, "The Next Great American Band". <P3-S3>  The group has performed at a number of private parties for celebrities including Troy Aikman (Former NFL Quarterback for the Dallas Cowboys), Jerry Jones (Dallas Cowboys owner), John Kirtland (Former drummer for Deep Blue Something and owner of Kirtland Records), Janine Turner (from Northern Exposure), members of the Dallas Symphony Orchestra, as well as the Dallas, TX movie premier for the film 'The Soloist' (starring Jamie Foxx and Robert Downey Jr.).