Question: What nationality are Brett Hestla nd Paul Cotton?

Context paragraphs:
Mind Control (Tantric album): Mind Control is the fourth album by American post-grunge band Tantric and was released on August 4, 2009.  It is the band's second album under Silent Majority Group and was produced by Brett Hestla, marking Tantric's departure from mainstay producer Toby Wright.  "Mind Control" retains the band's 2008 lineup with the exception of drummer Kevin Miller who was replaced by Richie Monica.

Running Horse: Running Horse is the 20th album by the country rock band Poco.  Rusty Young, Paul Cotton, and George Grantham reunite for the first time since 1977 with new material.

Poco: The Songs of Paul Cotton: Poco: The Songs of Paul Cotton is a compilation album consisting of songs by Paul Cotton of the band Poco, released in 1979.

Keeping the Legend Alive: Keeping the Legend Alive is the 22nd album and 4th live album by the country rock band Poco.  It was re-released in 2006 under the title "Alive In The Heart Of The Night."  It includes original members Richie Furay, *George Grantham and Rusty Young, Paul Cotton who replaced Jim Messina in 1970 and Jack Sundrud a member since the 1990s (See concert poster at http://www.angelfire.com/rock3/deliverin/belcourt.htm).

Under the Gun (Poco album): Under the Gun is the fourteenth album by the American country rock band Poco.  Released in July 1980, "Under the Gun" was the followup to Poco's breakout album "Legend".  "Legend" had been released in November 1978 on ABC Records just prior to that label's being bought out by MCA: in a June 7, 2013 interview with Rockin' Rich Lynch of SoundPress.net Radio Network, veteran Poco member Paul Cotton would state that MCA required that Poco audition prior to being allowed to record for MCA.  Cotton - "we had to go over to a rehearsal hall and play in front of all the executives" who after hearing Poco perform "Under the Gun", a Paul Cotton composition referencing the pressure attendant on the audition, approved Poco's recording for MCA.

Brett Hestla: Brett Adam Hestla, (born February 4, 1973), is an American musician and record producer.

Dark New Day: Dark New Day, formerly known as "Dark Blue", was an American hard rock supergroup formed in 2004 featuring Brett Hestla of Virgos Merlot, Clint Lowery of Sevendust, Troy McLawhorn of DoubleDrive, Corey Lowery of Stereomud and Stuck Mojo, and Will Hunt of Skrape.  Their debut album, "Twelve Year Silence", was released in 2005, followed by the EP "Black Porch (Acoustic Sessions)" in 2006.  Though still inactive, Dark New Day released their second album, titled "New Tradition", in 2012.  On February 19, 2013, the band released their third album, titled "Hail Mary".

Danny Saber: Danny Saber (born 1966) is a Los Angeles, California musician, audio engineer, record producer, and remixer.  A former member of Black Grape and Agent Provocateur, Saber plays guitar, bass which he learned how to play when his neighbor/friend Carl Schock bought an electric guitar in the late 70's, which piqued his interest.  Saber then got a white Fender Stratocaster and they formed a band, along with, A.J. Gruber and Chris Cotton (son of Paul Cotton of Poco), and started playing small L.A. clubs.  He also plays organ, and keyboards, and is also a prominent Los Angeles DJ.

Illinois Speed Press: Illinois Speed Press was an American rock band formed – originally, in 1965, as The Rovin' Kind – in Chicago, later relocating to California.  The band was formed by Paul Cotton – later of Poco – and Kal David.  According to Allmusic, their sound "combined elements of R&B and country music in a powerful double-lead-guitar attack."  Cotton and David have occasionally reunited in recent years to perform together under the name.

Paul Cotton (musician): Paul Cotton (born Norman Paul Cotton February 26, 1943 in Fort Rucker, Alabama) is an American guitarist and singer-songwriter, most notable as a member of the band Poco and as the writer of the international hit song from that band, "Heart of the Night".

Supporting paragraphs: Brett Hestla Paul Cotton (musician)
Answer: American