Question: What year was the band the releaser of Drive was in with Sam Bush founded?

Context paragraphs:
Another Country (The Chieftains album): Another Country is a 1992 album by The Chieftains.  It is a collaboration between the Irish band and many top country music musicians including Ricky Skaggs, Don Williams, Colin James, Emmylou Harris, members from The Nitty Gritty Dirt Band, Willie Nelson, Chet Atkins and Sam Bush.  The album won the 1993 Grammy Award for Best Contemporary Folk Album and was nominated in three other categories: Best Pop Instrumental Performance, Best Country Vocal Collaboration, and Best Country Instrumental Performance (for "Cotton Eyed Joe").  The Chieftains also took home the Award for Best Traditional Folk Album that year for their 1992 live album, "An Irish Evening".  There was also an "Another Country" documentary with video footage of the performances.

Drive (Béla Fleck album): Drive is an album by American banjoist Béla Fleck.  The album was produced toward the end of Fleck's New Grass Revival career and before the Flecktones were formed and included an all-star list of bluegrass performers.

Mike Cross (musician): Mike Cross (born October 25, 1946 in Maryville, Tennessee) is an American singer-songwriter and musician.  His music blends rock, country, pop and folk.  Signed to prominent label Sugar Hill (notable for releases by Doc Watson, Jerry Douglas, Sam Bush, Dolly Parton and numerous others), Cross enjoys a strong fan following at live performances across the nation.  Best known for his humorous songs such as "The Scotsman," his catalog features a wide variety of musical genres and moods.

Telluride Sessions: The Telluride Sessions is an album recorded by five acoustic-music instrumentalists under the name Strength in Numbers and released in 1989 on MCA Records Nashville.  The five members are: Sam Bush, Jerry Douglas, Béla Fleck, Mark O'Connor, and Edgar Meyer.  The album is progressive bluegrass with jazz inflections, but also adds elements from classical music.  O'Connor, Fleck, and Meyer further developed this genre in their compositions for orchestra and chamber music.

Tales from the Acoustic Planet: Tales From The Acoustic Planet is an album by American banjoist Béla Fleck.  It is a jazzy album with roots in bluegrass, where Fleck is joined by bluegrass stars (Sam Bush, Tony Rice, Jerry Douglas), as well as his jazz friends (Chick Corea, Branford Marsalis, Paul McCandless) and Flecktones members (Victor Wooten, Future Man).  This is also his first solo album since 1988's "Places".

Deviation (Béla Fleck album): Deviation is an album by American banjoist Béla Fleck, released in 1984.  It was recorded with the second classic line-up of the New Grass Revival, consisting of Béla Fleck, Sam Bush, John Cowan and Pat Flynn.

Dead Winter Carpenters: Dead Winter Carpenters is a five-piece Alt-Country band from North Lake Tahoe, California, whose music has been described as an Americana blend of progressive bluegrass, roots rock, and folk with an influence from the Bakersfield Sound.  They have performed at prominent venues such as The Fillmore and Great American Music Hall in San Francisco, the Fox Theater in Boulder, Colorado, and the Variety Playhouse in Atlanta, Georgia, as well as playing notable music festivals like High Sierra in California, YarmonyGrass in Colorado, the Northwest String Summit in Oregon, and the Summer Meltdown in Washington.  They have also appeared on stage with the likes of Yonder Mountain String Band, Railroad Earth, The Infamous Stringdusters, Sam Bush, The Travelin' McCourys, and Chris Shiflett.

Jeff Black (singer-songwriter): Jeff Black is an American singer-songwriter originally from Kansas City, Missouri and now based in Nashville, Tennessee.  His writings have been described in the "Allmusic" as "impressionistic songs that are smart without forgetting the emotional undercurrent."  His songs have been covered by Alison Krauss, Waylon Jennings, Sam Bush, Jerry Douglas and BlackHawk.  BlackHawk's cover of Black's song, "That's Just About Right," was a Top 10 Country single in 1996.  BlackHawk's cover of Black's song, "King Of The World" was a Top 30 Country single in 1998.  Black also co-wrote the title track Circles Around Me with Sam Bush for his 2009 Grammy nominated album Circles Around Me.  Black has released 10 of his own self-produced albums and tours widely.  He is also recognized as a digital music pioneer by NPR for his podcast, "Black Tuesdays".

Courtney Johnson (musician): Courtney Johnson (December 20, 1939 – June 6, 1996) was an American banjo player, best known for his work as an original member of the band New Grass Revival.  Influenced by Ralph Stanley and his Clinch Mountain Boys, Johnson is often considered to be an inventor of the newgrass style of banjo playing, polished and improved later on by such personalities as Béla Fleck, Alison Brown, Scott Vestal of Sam Bush Band and Jens Krüger of Kruger Brothers.

New Grass Revival: 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.

Supporting paragraphs: Drive (Béla Fleck album) New Grass Revival
Answer: 1971