Question: Which singer, born in 1977, shared the stage with an American bluegrass singer, songwriter, and multi-instrumentalist known as the "the new Queen of Bluegrass"?

full_context: Document 1: Jeannie C. Riley: Jeannie C. Riley (born Jeanne Carolyn Stephenson, October 19, 1945) is an American country music and gospel singer. She is best known for her 1968 country and pop hit "Harper Valley PTA" (written by Tom T. Hall), which missed (by one week) becoming the "Billboard" Country and Pop number one hit at the same time. In subsequent years, she had moderate chart success with country music, but never again duplicated the success of "Harper Valley PTA". She became a born-again Christian and began recording gospel music during the late 1970s.
Document 2: Ron Stewart (bluegrass): Ron Stewart is an American multi-instrumentalist in the bluegrass tradition. He plays fiddle, guitar, banjo, and mandolin, and has won the International Bluegrass Music Association (IBMA) award for Fiddle Player of the Year in 2000 and Banjo Player of the Year in 2011.
Document 3: Bill Vernon: He was born in New York, NY. In his early teens he became enamoured with Bluegrass music and publicized and promoted that genre in many ways. He was a DJ in New York, New Jersey, and Virginia; he wrote liner notes for around a hundred recordings. In 1994 and in 1998 he received the International Bluegrass Music Association's award for best liner notes, and that organization's certificate of merit in 1988. He compiled the country music chart for Billboard magazine. He MC'd at many a bluegrass performance or festival, including Bill Monroe's Bean Blossom Festival in Indiana, and festivals of Ralph Stanley and Carlton Haney. He served as editor for Muleskinner News and wrote many articles on early bluegrass performers for that and other publications, including Bluegrass Unlimited.
Document 4: Bobbie Gentry: Roberta Lee Streeter (born July 27, 1944), professionally known as Bobbie Gentry, is an American singer-songwriter notable as one of the first female country artists to compose and produce her own material. Her songs typically drew on her Mississippi roots to compose vignettes of the Southern United States.
Document 5: Harvey Reid: Harvey Reid is a musician living in York, Maine. He won the 1981 National Fingerpicking Guitar Competition and the 1982 International Autoharp competition. In 1996, Acoustic Guitar magazine listed Harvey's album "Steel Drivin' Man" as one of the top ten essential folk albums/CDs of all time. He has 19 records available from Woodpecker Records.
Document 6: Rebecca Rippy: Rebecca Rippy (born 1977) is an American singer/songwriter, most notably in the roots country and Americana genres. She was born to a musical family and grew up singing gospel music, picking up a guitar and starting to write at 19 years of age. She has released two critically acclaimed records, "Secrets" (2008), and "Telling Stories" (2009). She has played or shared the stage with such well-known acts and artists as REM producer Don Dixon, Leon Russell, Lucy Kaplansky, Tony Rice, Donna the Buffalo, Jim Lauderdale, Bill Mallonee and the Vigilantes of Love, blues legend Tinsley Ellis, John Cowan, Rhonda Vincent, Danielle Howle, and Old Crow Medicine Show, and has become a regular performer at such prestigious songwriter venues as the Bluebird Café in Nashville, TN, and at the Neighborhood Theater in Charlotte, NC.
Document 7: Shannon Worrell: Shannon Worrell is a singer-songwriter based in Charlottesville, Virginia. Known for a series of critically acclaimed albums in the 1990s culminating with an appearance (as September 67) on the Lilith Fair tour and for collaborations with fellow Charlottesville-based musicians Dave Matthews and Tim Reynolds, Worrell's acoustic songwriting has been described as "subtly orchestrated chamber pop" and "like a lean country cousin of the Throwing Muses."
Document 8: Vince Gill: Vincent Grant Gill (born April 12, 1957) is an American country singer, songwriter and multi-instrumentalist. He has achieved commercial success and fame both as frontman to the country rock band Pure Prairie League in the 1970s and as a solo artist beginning in 1983, where his talents as a vocalist and musician have placed him in high demand as a guest vocalist and a duet partner.
Document 9: Rebecca Hall (musician): Rebecca Ruth Hall (born February 22, 1965 in Boston, Massachusetts) is an American folk singer/songwriter. She graduated from Boston Latin School before moving to New York City in 1988, earning a B.A., "summa cum laude", in English literature from the City College of the City University of New York. She studied at the CUNY Graduate Center toward a PhD in English literature, but later withdrew. She began writing and performing her own songs in the late 1990s, later forming a duo with her husband, Ken Anderson, who produced her albums "Rebecca Hall Sings!" and "Sunday Afternoon". The couple moved to southern Vermont in 2003.
Document 10: Wanda Jackson: Wanda Lavonne Jackson (born October 20, 1937) is an American singer, songwriter, pianist and guitarist who had success in the mid-1950s and 1960s as one of the first popular female rockabilly singers and a pioneering rock-and-roll artist. She is known to many as the "Queen of Rockabilly" or the "First Lady of Rockabilly".
Document 11: Music of North Carolina: North Carolina is known particularly for its tradition of old-time music, and many recordings were made in the early 20th century by folk song collector Bascom Lamar Lunsford. Most influentially, North Carolina country musicians like the North Carolina Ramblers and Al Hopkins helped solidify the sound of country music in the late 1920s, while influential bluegrass musicians such as Earl Scruggs, Doc Watson and Del McCoury came from North Carolina. Arthur Smith is the most notable North Carolina musician/entertainer who had the first nationally syndicated television program which featured country music. Smith composed "Guitar Boogie", the all-time best selling guitar instrumental, and "Dueling Banjos", the all-time best selling banjo composition. Country rock star Eric Church from the Hickory area has had 2 #1 albums on the Billboard 200, including "Chief" in 2011. Both North and South Carolina are a hotbed for traditional country blues, especially the style known as the Piedmont blues. Elizabeth Cotten, from Chapel Hill, was active in the American folk music revival.
Document 12: Rhonda Vincent: Rhonda Lea Vincent (born July 13, 1962) is an American bluegrass singer, songwriter, and multi-instrumentalist. In 2000, "The Wall Street Journal" proclaimed Vincent "the new Queen of Bluegrass".
Document 13: Brandy Clark: Brandy Lynn Clark (born October 9, 1975) is an American country music singer-songwriter. Her songs have been recorded by Sheryl Crow, Miranda Lambert, The Band Perry, Reba McEntire, LeAnn Rimes, Billy Currington, Darius Rucker, and Kacey Musgraves. She was nominated for Best New Artist at the 2015 Grammy Awards.
Document 14: Randy Travis: Randy Bruce Traywick (born May 4, 1959), better known by his stage name, Randy Travis, is an American country music singer, songwriter, guitarist, and actor. Since 1985, he has recorded 20 studio albums and charted more than 50 singles on the "Billboard" Hot Country Songs charts, and 16 of these were number-one hits. Considered a pivotal figure in the history of country music, Travis broke through in the mid-1980s with the release of his album "Storms of Life", which sold more than four million copies. The album established him as a major force in the Neotraditional country movement. Travis followed up his successful debut with a string of platinum and multi-platinum albums. He is known for his distinctive baritone vocals, delivered in a traditional style that has made him a country music star since the 1980s.
Document 15: Amy Grant: Amy Lee Grant (born November 25, 1960) is an American singer, songwriter, musician, author and media personality. She is known for performing contemporary Christian music (CCM) and for a successful crossover to pop music in the 1980s and 1990s. She has been referred to as "The Queen of Christian Pop".
ground_truth: Rebecca Rippy