Question: Bruce Hornsby's ninth studio album, a collaboration with the legend Ricky Skaggs, worthy of note is the cover of "Super Freak", here turned into a version, and form of American roots music, and a related genre of country music, influenced by the music of Appalachia?
Context: Honey (Open That Door)" is a song written by Mel Tillis and recorded by American country music artist Ricky Skaggs.  It was originally a non-charted single by Webb Pierce that was released in 1974.  It was released in February 1984 as the second single from the album "Don't Cheat in Our Hometown".  "Honey (Open That Door)" was Ricky Skaggs' seventh number one on the country chart.  The single stayed at number one for one week and spent a total of eleven weeks on the country chart. "Don't Cheat in Our Hometown" is a song written by Ray Pennington and Roy E. Marcum, and recorded by American country music artist Ricky Skaggs.  It was released in November 1983 as the first single and title track from the album "Don't Cheat in Our Hometown".  The song was Ricky Skaggs' sixth number one country hit.  The single went to number one for one week and spent a total of twelve weeks on the country chart. Bluegrass music is a form of American roots music, and a related genre of country music.  Influenced by the music of Appalachia, bluegrass has mixed roots in Irish, Scottish and English traditional music, and was also later influenced by the music of African-Americans through incorporation of jazz elements. Phil Madeira (born 1952) is an American songwriter, producer, musician and singer.  He was raised in Barrington, Rhode Island and attended Taylor University, which he graduated from in 1975.  His songs have been recorded by The Civil Wars, Buddy Miller, Alison Krauss, Toby Keith, Ricky Skaggs, Bruce Hornsby, Keb' Mo', Garth Brooks, The Nitty Gritty Dirt Band, Cindy Morgan, Shawn Mullins, The North Mississippi Allstars,and other high-profile artists.  His co-writing partners include Matraca Berg, Chuck Cannon, Merrill Farnsworth, Cindy Morgan, Wayne Kirkpatrick, Gordon Kennedy, Keb' Mo', and Emmylou Harris.  He is from Nashville, Tennessee. "Uncle Pen" is a song written and originally recorded by bluegrass legend Bill Monroe.  Besides Monroe, the song was recorded by Porter Wagoner in 1956, Goose Creek Symphony in 1971, Michael Nesmith of "The Monkees" in 1973 on his solo album "Pretty Much Your Standard Ranch Stash," and Ricky Skaggs in 1984.  "Uncle Pen" was Ricky Skaggs' ninth number one single on the country chart.  The single went to number one for one week and spent a total of thirteen weeks on the country chart.  Bill Monroe played a character named "Uncle Pen" disappointed at the citification of Ricky Skaggs in the 1985 video for "Country Boy".  The improvisational-rock band Phish has performed their cover version of Uncle Pen over 200 times in the band's 30-year career. A Night on the Town was the third and final studio album by Bruce Hornsby and the Range.  Following albums would be credited to Hornsby alone.  "A Night on the Town" features Hornsby's last significant hit single, "Across the River", which spent one week at the top of the "Billboard" Album Rock Tracks chart and peaked at number 18 on the Billboard Hot 100.  Bruce Hornsby chose Laurelle Brooks as the female lead in the music video for "Across the River". "Lovin' Only Me" is a song written by Hillary Kanter and Even Stevens, and recorded by American country music artist Ricky Skaggs.  It was released in February 1989 as the first single from the album "Kentucky Thunder".  "Lovin' Only Me" was Ricky Skaggs' twelfth and final number one on the country chart.  The single went to number one for one week and spent a total of fifteen weeks on the country chart. "I Wouldn't Change You If I Could" is a song written by Paul Jones and Arthur Q. Smith, and recorded by American country music artist Ricky Skaggs, as well as Reno & Smiley and Jim Eanes.  It was released in January 1983 as the second single from the album "Highways & Heartaches".  "I Wouldn't Change You If I Could" was Ricky Skaggs' fourth number one on the country chart.  The single stayed at number one for one week and spent a total of twelve weeks on the country chart. "Country Boy" is a song written by Tony Colton, Albert Lee, and Ray Smith of the British band Heads Hands & Feet, and recorded by American country music artist Ricky Skaggs.  It was released in February 1985 as the second single and title track from the album "Country Boy".  The song was Ricky Skaggs' ninth number-one country hit.  The single went to number one for one week and spent a total of thirteen weeks on the country chart. Bruce Hornsby's ninth studio album, a collaboration with bluegrass legend Ricky Skaggs titled Ricky Skaggs & Bruce Hornsby, marks the debut release for the duo's new musical project.  The album features reworkings of Hornsby originals as bluegrass tunes, as well as a number of traditional songs and a Skaggs original composition.  Worthy of note is the cover of "Super Freak" (the Rick James song), here turned into a bluegrass version.
Answer: Bluegrass music