Question: Christmas Celebration is a compilation album by a music group founded by who?
Context: Pirates of the Mississippi was an American country music group founded in 1987 by Rich Alves (guitar, Hammond organ, background vocals), Bill McCorvey (guitar, lead vocals), Jimmy Lowe (drums), Pat Severs (steel guitar, Dobro), and Dean Townson (bass guitar).  Under this lineup, Pirates of the Mississippi made its debut in 1990 with a cover of Hank Williams' "Honky Tonk Blues".  This cover was the first single from their self-titled debut album.  "Honky Tonk Blues" was followed by ten more singles, all of which charted between 1990 and 1995.  In that same time span, the band released four more studio albums and a compilation album.  Severs was replaced by Greg Trostle in 1994, two years before the band was disestablished.  In 2000, Alves and McCorvey reunited, releasing an additional album titled "Heaven and a Dixie Night" before disbanding again. Celtic Woman: A Christmas Celebration is the second album from the singing group Celtic Woman.  The album's main vocalists are the same five women who were first featured on the PBS music special of the same name: Méav Ní Mhaolchatha, Órla Fallon, Lisa Kelly, Chloë Agnew and Máiréad Nesbitt.  The album was certified Gold by the RIAA in December 2009, for sales of 500,000, and certified Platinum in November 2011 for sales of 1,000,000. Christmas Celebration is a compilation album by Mannheim Steamroller.  It is the group's seventh Christmas album overall.  The album was released in 2004 on CD and DVD by American Gramaphone to celebrate the 20th anniversary of the group's first Christmas album.  The album features eighteen Christmas songs in progressive rock and Renaissance styles, and includes three new tracks: "Celebration", a vocal version of the previously released "Traditions of Christmas", and "Messengers of Christmas", a Target version bonus track.  The remaining songs are new mixes of previously released songs.  A limited edition version of the album, available exclusively at Target stores, featured two extra songs: "The Holly and the Ivy" and "Messengers of Christmas". My Best Christmas (2005) is an Amy Grant compilation album of her three previous Christmas albums.  It was released by YMC Records (Your Music Channel Records).  It features two hard-to-find Christmas songs: "Merry Christmas Darling", a cover of the Carpenters song, which was only available on the Target store version of "A Christmas to Remember", and "Child of God", which appears on the various-artists compilation album "One Silent Night" (2000).  A different version of "Child of God" appeared on a limited-edition Christmas maxi-single in 1999 released to promote "A Christmas to Remember". Merry Christmas is a compilation album by Bing Crosby that was released in 1945 on Decca Records.  It has remained in print through the vinyl, CD, and downloadable file eras, currently as the disc and digital album "White Christmas" on MCA Records, a part of the Universal Music Group, (reissued in June 1995) and currently on vinyl as "Merry Christmas" on Geffen Records (re-issued in September 2014).  It includes Crosby's signature song "White Christmas", the best-selling single of all time with estimated sales of over 50 million copies worldwide.  The album has sold over 15 million copies and is the second best-selling Christmas album of all-time behind "Elvis' Christmas Album", which has sold more than 19 million copies worldwide. Mannheim Steamroller is an American Neoclassical new-age music group founded by Chip Davis, that is known primarily for its "Fresh Aire" series of albums, which blend classical music with elements of new age and rock, and for its modern recordings of Christmas music.  The group has sold 28 million albums in the U.S. alone. Peace Round: A Christmas Celebration is the holiday album of the jazz group Yellowjackets. The Music Of Richard Marx: 1987-2009 is a multi-disc promotional compilation album of Richard Marx released by Chrysalis Music Group.  This is Marx's seventh overall compilation album, but his first multi-disc compilation.  It includes most of his singles from 1987 through 1997, some albums cuts from 1996 through 2004, four acoustic versions of some older songs, and a new version of "You Never Take Me Dancing." Celtic Woman: Silent Night is a Christmas compilation album by Celtic Woman.  Along with "", it was released on October 9, 2012.  This is their first album to be distributed by EMI Music Christian Music Group (CMG Distribution), initially an exclusive CD available at Christian retailers.  It has since become available through other outlets.  "Silent Night" features a brand new song, “The Light Of Christmas Morn,” performed by Chloë Agnew and Lisa Lambe.  The other tracks have been drawn from their first Christmas album "A Christmas Celebration", which was released in 2006. Gold: A 50th Anniversary Christmas Celebration is a compilation album by American pop singer Johnny Mathis that was released on September 19, 2006, by Columbia Records and Legacy Recordings.  It includes selections from four of the first five Christmas albums that he had recorded: "Merry Christmas", "Sounds of Christmas", "Christmas Eve with Johnny Mathis", and "The Christmas Album".  Two tracks that were recorded with other artists are also included: "O Tannenbaum", which comes from Mannheim Steamroller's 2001 album "Christmas Extraordinaire", and a medley duet of "Winter Wonderland" and "Let It Snow!  Let It Snow!  Let It Snow! " with Bette Midler from her 2006 holiday album "Cool Yule".
Answer: Chip Davis