Question: Ralph Dion Schuckett played with this famous duo featuring who on electric guitar and backing vocals?

<P0-S0> Shenandoah is an American country music group founded in Muscle Shoals, Alabama in 1984 by Marty Raybon (lead vocals, acoustic guitar), Ralph Ezell (bass guitar, backing vocals), Stan Thorn (keyboards, backing vocals), Jim Seales (lead guitar, backing vocals), and Mike McGuire (drums, background vocals). <P0-S1>  Thorn and Ezell left the band in the mid-1990s, with Rocky Thacker taking over on bass guitar; Keyboardist Stan Munsey joined the line up in 1995. <P0-S2>  The band split up in 1997 after Raybon left. <P0-S3>  Seales, Munsey, Thacker and McGuire reformed the band in 2000 with lead singer Brent Lamb, who was in turn replaced by Curtis Wright and then by Jimmy Yeary. <P0-S4>  Ezell rejoined in the early 2000s, and after his 2007 death, he was replaced by Mike Folsom. <P0-S5>  Raybon returned to the band in 2014. <P0-S6>  That same year, Jamie Michael replaced the retiring Jim Seales on lead guitar. <SEP> <P1-S0> Kevin R. Gallagher is a guitarist who plays both the electric guitar and the classical guitar. <P1-S1>  As a classical guitarist, he has received top honors at some of the most prestigious guitar competitions in the world, including the 1993 Guitar Foundation of America, the 1994 American String Teachers Association, the 1993 Artists International Competition, and 1997 Francisco Tárrega Guitar Competition in Spain. <P1-S2>  As an electric guitarist, he is known for transcribing violin music for electric guitar and for founding the avant-rock ensemble Electric Kompany. <P1-S3>  He has also produced, in cooperation with John Zorn, a music festival titled "Full Force: The New Rock Complexity" that showcases bands that have combined styles such as classical, rock, jazz, and metal. <P1-S4>  He has produced a CD for Naxos Records titled "Guitar Recital - Music from the Renaissance and Baroque," a duo CD with Antigoni Goni titled "Evocacion," and an EP featuring his work on solo electric guitar and with Electric Kompany. <SEP> <P2-S0> Ralph Dion Schuckett (born March 2, 1948 in Los Angeles, California) is an American keyboardist, songwriter, record producer and TV/film composer. <P2-S1>  He played with Clear Light (1966−68), The Peanut Butter Conspiracy (1968−70), Jo Mama (1969−72), Carole King (1969−72), Lou Reed (1972−73), Todd Rundgren and Utopia (1972−75), and, as a studio musician in both LA and NY, on albums by Carole King (notably "Tapestry"), James Taylor, Hall & Oates, Whitney Houston, George Benson, The Four Tops, Cher, Donna Summer, Kashif, Richie Havens, Patty Smyth, Phoebe Snow, The Manhattans, Rodney Crowell, Joan Osborne, Ellen Shipley, Elliott Murphy and many others. <P2-S2>  His string and brass arrangements can be heard on recordings by Billy Joel, George Benson, Michael Bolton, Joan Osborne, Bette Midler, Bonnie Tyler, Graham Parker and others. <SEP> <P3-S0> Daryl Hall and John Oates, often referred to as Hall & Oates, are an American musical duo from Philadelphia. <P3-S1>  Daryl Hall is generally the lead vocalist of the pairing. <P3-S2>  John Oates primarily plays electric guitar and provides backing vocals. <P3-S3>  The two write most of the songs they perform, either separately or in collaboration. <P3-S4>  They achieved their greatest fame from the late 1970s to the mid-1980s with a fusion of rock and roll and rhythm and blues.