Question: The Sky Kings' John Cowan was also the lead vocalist and bass player for which band?
Context: New Grass Revival was an American progressive bluegrass band founded in 1971, and composed of Sam Bush, Courtney Johnson, Ebo Walker, Curtis Burch, Butch Robins, John Cowan, Béla Fleck and Pat Flynn.  They were active between 1971 and 1989, releasing more than twenty albums as well as six singles.  Their highest-charting single is "Callin' Baton Rouge", which peaked at No. 37 on the U.S. country charts in 1989 and was a Top 5 country hit for Garth Brooks five years later. Victims are a Swedish hardcore punk band, originally hailing from Nyköping, they are currently based in Stockholm.  The current line-up consists of lead vocalist and bass player Johan Eriksson, drummer Andy Henriksson, guitar player and vocalist Jon Lindqvist and guitar player Gareth Smith.  Through their career, the band has released five studio albums, two EPs and three split albums. John Cowan (born August 24, 1953 in Minerva, Ohio) is an American soul music and progressive bluegrass vocalist and bass guitar player.  He was the lead vocalist and bass player for the New Grass Revival.  Cowan became the band's bassist in 1972 after the departure of original bassist Ebo Walker and was noted as being the only member of New Grass Revival not to come from a bluegrass background. Corduroy are a four-piece acid jazz outfit based in London, formed around twins Ben Addison (drums/vocals) and Scott Addison (keyboards/vocals), who were previously in Sire Records act Boys Wonder (Scott had been guitarist with Boys Wonder, while Ben had been the lead vocalist).  Joining the twins in the band are Richard Searle and guitarist Simon Nelson-Smith.  Searle had been bass player with Doctor and the Medics, who topped the UK Singles Chart in 1986 with a cover version of "Spirit in the Sky".  Searle had joined the Addison twins in the final incarnation of Boys Wonder, before the band gradually evolved into Corduroy in 1991, initially forming for a one-off New Year's Eve party. The Sky Kings was an American country music supergroup formed in 1991 as Four Wheel Drive.  The band consisted of John Cowan, Bill Lloyd, Patrick Simmons and Rusty Young.  They were signed to a recording deal with RCA Nashville and completed an album which for the label was never released. The Amboy Dukes is the first studio album released by The Amboy Dukes.  It was released in November 1967 on Mainstream Records (stereo S/6104, mono 56104).  The Amboy Dukes interested a record label that primarily produced jazz albums in their music.  Nugent assembled a new band of the best local Detroit players to secure a recording contract with them.  He immediately brought in the soulful baritone voice of John (J.B.) Drake as lead vocalist.  He had a long history with Drake in a local band called The Lourds.  Nugent and Drake then recruited the remaining players.  Steve Farmer was known as a solid rhythm guitarist, lyricist, composer and vocalist and was a natural fit with Nugent.  He came from a local group called The Gang.  Dave Palmer was a solid drummer and percussionist with experience in two local bands, The Galaxy Five and The Citations.  Bill White was a solid bass player and Lober was an eclectic keyboardist rounding out the new garage super group. "It's a Great Day to Be Alive" is a song written by Darrell Scott.  It was originally recorded by American country music artist Jon Randall.  It was to have been included on an album titled "Great Day to Be Alive", which would have been released in the late 1990s via BNA Records.  The song was also recorded by The Sky Kings, an American country-rock supergroup consisting of Bill Lloyd (Foster & Lloyd), Rusty Young (Poco), and John Cowan (New Grass Revival) around 1995/1996.  Their version sat unreleased until Rhino Handmade released the compilation ""From Out Of The Blue"" in 2000. Noam Pikelny (born February 27, 1981, Chicago, Illinois) is an American banjoist.  He is a member of the group Punch Brothers and was previously in Leftover Salmon as well as the John Cowan Band. Tabitha's Secret was an American rock band formed in March 1990 in Orlando, Florida.  It was originally composed of lead vocalist Rob Thomas, John Goff and Jay Stanley on guitar, Brian Yale on bass (Colin Chrisman was the original bass player), and Chris Smith playing drums.  In September 1990, Paul Doucette joined the band as a second percussionist, only to replace Chris Smith entirely a year later.  Some of the band's most popular songs were "And Around", "Dear Joan", "Unkind", "Forever December", "Paint Me Blue", and "3 A.M.".  The group is best known as a precursor to Matchbox Twenty, which was formed by Thomas, Yale and Doucette after the breakup of Tabitha's Secret. Zachary Throne (born April 3, 1967 in Hollywood, California) is an American actor and musician who has appeared in a wide number of television, film and stage productions and on numerous rock, pop and soundtrack albums.  Throne is a self-taught, musician who sings, plays guitar, bass, drums, and piano – and is self-taught on all instruments.  He is the son of Malachi Throne and Judith Merians and is the brother of Joshua Throne.  He earned a Gold record in 1992 for his work on the soundtrack album to the television series "The Heights", on which he performed guitars, bass, piano and vocals as well as co-starred in the series.  The album yielded a hit single, "How Do You Talk To An Angel" (on which Zachary performed on) that was #1 on "Billboard" for two weeks in November 1992.  As an actor, Zachary is best known for playing the recurring role of "Howard", the radio station manager/drug dealer on "Beverly Hills 90210" and for playing "Danny" on the FOX series, "Party Of Five".  As a singer, Zachary has sung on many TV and radio jingles.  He provided the singing voice for the character, "Mark Winkle" on the television series, "California Dreams" as well as the singing voice for the character, "Greg Brady" in the films, "The Brady Bunch Movie" and "A Very Brady Sequel".  Currently, he resides in Las Vegas, Nevada where he performs in many shows.  From 2012-2014, he was the lead singer/lead guitar player/bass player for the Sin City Sinners, a group that also featured former Faster Pussycat guitarist and co-founder Brent Muscat as well as Slash bass player, Todd Kerns.  .  With the group, he recorded two albums, "DIVEBAR Days Revisited" and "A Sinners Christmas 2", both released in 2013.
Answer: New Grass Revival