Question: This hard rock band which focuses on the rock genre of the 1970s was formed by the titular star of an American reality television series produced by who?

Context paragraphs:
Reality Obsessed: Reality Obsessed is a Canadian half-hour documentary television series produced by Peace Point Entertainment Group that airs on TVtropolis.  In each episode, host Murtz Jaffer attempts to demystify the underpinnings of reality television by trying to recreate events that took place on "Big Brother", "American Idol", "The Apprentice" and numerous other American reality television series past and present.

Disorderly Conduct: Video on Patrol: Disorderly Conduct: Video on Patrol (commonly known as Disorderly Conduct, Disorderly Conduct: Caught on Tape in Australia and Disorderly Conduct: Cops on Camera in the United Kingdom) is an American reality television series produced by Cheri Sundae Productions.  The US version is narrated by Robert Patrick.  Much of the show focuses on car chases, recorded from either a police/news helicopter or a police car's dashboard-mounted evidence camera, but it also shows recordings of DUI suspects, robberies recorded by store surveillance cameras, and sometimes police stings and drug busts.  It is shown on Spike TV in the US and Virgin 1, Bravo and Five in the UK.

Born This Way (TV series): Born This Way is an American reality television series, Emmy Award winning series produced by Bunim-Murray Productions, featuring seven adults with Down Syndrome who work hard to achieve goals and overcome obstacles.  The show received a Television Academy Honor in 2016.

Featherstone (rock band): Featherstone is a rock band from Sweden.  The band belongs to the melodic hard rock genre with roots in the 70's and 80's.

Shahs of Sunset: Shahs of Sunset is an American reality television series that airs on Bravo.  The series debuted on March 11, 2012.  The series follows a group of Iranian American friends living in Beverly Hills (and the greater area known as "Tehrangeles"), who are trying to juggle their active social lives and up-and-coming careers while balancing the demands of their families and traditions.  It is the second American reality television show about Iranians after E!'s "Love Is in the Heir" in 2004.  The series originally focused on Reza Farahan, Golnesa Gharachedaghi, Sammy Younai, Asa Soltan Rahmati, Mike Shouhed and Mercedes Javid.  The series still focuses on the same cast albeit featuring Shervin Roohparvar in place of Younai.  Younai who was demoted to a recurring capacity in the second season and made guest appearances in the third and fourth seasons while Roohparvar joined in a recurring capacity in the fourth before gaining a starring role in the fifth.  Past shahs include Lilly Ghalichi (season 2-3) and Asifa Mirza (season 4).

Count's 77: Count's 77 is a hard rock band from Las Vegas, Nevada.  It was formed by Danny "The Count" Koker, titular star of "Counting Cars", the History Channel spinoff of "Pawn Stars".  The band focuses on the rock genre of the 1970s and has been playing and performing since well before Koker's rise in the public eye.  "The Count," who heads the band with lead vocals, is joined by John Zito (guitar), Stoney Curtis (guitar), Barry Barnes (bass) and Paul Disibio (drums) and the recently added Tommy Paris (keyboard).  They are currently signed to Shrapnel Records.  The number "77" in the band's name is a reference to the 1970s, the decade whose music is an inspiration to the band.

Rehab: Party at the Hard Rock Hotel: Rehab: Party at the Hard Rock Hotel is an American reality television docudrama on TruTV that premiered on November 11, 2008.  It focuses on the staff (bartenders, cocktail waitresses, security, etc.) of the Rehab pool party hosted at the Las Vegas Hard Rock Hotel and Casino and also chronicles the staff as they attempt to keep the partygoers under control while trying to do their jobs well and avoid their bosses' anger.

Counting Cars: Counting Cars is an American reality television series, shown on History, and produced by Leftfield Pictures.  The series, which is the third spinoff of "Pawn Stars", is filmed in Las Vegas, Nevada, where it chronicles the daily activities at Count's Kustoms, an automobile restoration and customization company owned and operated by Danny Koker, who previously appeared as a recurring expert on "Pawn Stars".  In a format similar to another "Pawn Stars" spinoff, "American Restoration", the series follows Koker and his staff as they restore and modify classic automobiles and motorcycles.  "Counting Cars" debuted on August 13, 2012.

Bohemian Rhapsody: "Bohemian Rhapsody" is a song by the British rock band Queen.  It was written by Freddie Mercury for the band's 1975 album "A Night at the Opera".  It is a six-minute suite, consisting of several sections without a chorus: an intro, a ballad segment, an operatic passage, a hard rock part and a reflective coda.  The song is a more accessible take on the 1970s progressive rock genre.  It was reportedly the most expensive single ever made at the time of its release, though the exact cost of production cannot be determined.

Keeping Up with the Kardashians: Keeping Up with the Kardashians (often abbreviated KUWTK) is an American reality television series that airs on the E! cable network.  The show focuses on the personal and professional lives of the Kardashian–Jenner blended family.  Its premise originated with Ryan Seacrest, who also serves as an executive producer.  The series debuted on October 14, 2007 and has subsequently become one of the longest-running reality television series in the country.  The fourteenth season of the series will premiere on October 1, 2017.

Supporting paragraphs: Count's 77 Counting Cars
Answer: Leftfield Pictures