Question: The Steep Canyon Rangers have become widely known since collaborating with an American comedian who came to public notice as a writer for what?
Context: Steve Canyon Rangers is a mishearing of the Steep Canyon Rangers, a band sometimes accompanied by Steve Martin. Love Has Come for You is a 2013 bluegrass music CD featuring a 13 song collaboration of original songs by Steve Martin (music) and Edie Brickell (lyrics).  The album cover art is a painting entitled "After Dinner Drinks" (2008) by Martin Mull; the original work is in Steve Martin's personal art collection.  Produced by Peter Asher, the album features musical appearances by Esperanza Spalding, Sara Watkins, Waddy Wachtel and others.  The record also features all five members of Steep Canyon Rangers who would back Martin and Brickell for the duration of the tour following the record release. Steep Canyon Rangers are an American bluegrass band from Brevard, North Carolina.  Though formed in 2000, the band has become widely known since 2009 for collaborating with actor/banjoist Steve Martin.  In 2013, the Steep Canyon Rangers' solo album "Nobody Knows You" won the Grammy Award for Best Bluegrass Album.  The previous year, their 2012 collaboration with Steve Martin, "Rare Bird Alert", was nominated for the same award.  Steep Canyon Rangers have recorded 9 solo albums plus two collaborative albums with Steve Martin.  SCR performed as a quintet for nearly a decade before intermittent touring began as a sextet with Steve Martin; the band still performs in both configurations. Nicky Sanders (born August 16, 1979) is a Grammy Award-winning, American fiddle player specializing in Bluegrass music.  He is best known for his work with the band Steep Canyon Rangers along with banjo player and comedian Steve Martin.  Raised in San Francisco, he began studying classical violin at age of five.  In his youth, he acted as concertmaster of the Young People's Symphony Orchestra in Berkeley, California.  He later attended Berklee College of Music in Boston, Massachusetts, studying classical and jazz performance (violin) as well as 20th-century classical music composition. Stephen Glenn Martin (born August 14, 1945) is an American actor, comedian, writer, producer, and musician.  Martin came to public notice in the 1960s as a writer for "The Smothers Brothers Comedy Hour", and later as a frequent guest on "The Tonight Show".  In the 1970s, Martin performed his offbeat, absurdist comedy routines before packed houses on national tours.  Since the 1980s, having branched away from comedy, Martin has become a successful actor, as well as an author, playwright, pianist, and banjo player, eventually earning him an Emmy, Grammy, and American Comedy awards, among other honors. Monterey Canyon, or Monterey Submarine Canyon, is a submarine canyon in Monterey Bay, California with steep canyon walls measuring a full 1 mile in height from bottom to top, which height/ depth rivals the depth of the Grand Canyon itself.  It is the largest such submarine canyon along the West coast of the North American continent, and was formed by the underwater erosion process known as turbidity current erosion.  Many questions remain as yet unresolved regarding the exact nature of its origins, and as such it is the subject of several ongoing geological and marine life studies being carried out by scientists stationed at the nearby Monterey Bay Aquarium Research Institute, the Moss Landing Marine Laboratories, and other oceanographic institutions. The Huck Finn Jubilee Bluegrass Music Festival or simply The Huck Finn Jubilee is an annual three-day bluegrass event held in Ontario, California.  It is held during the second weekend in June at the Cucamonga-Guasti Regional Park and features RV and tent camping, traditional "Americana" activities, and live bluegrass music.  The festival also features activities, such as greased pole climbing, tomahawk throwing, pie eating, river rafting, and arts and crafts.  The event is also the West Coast’s biggest bluegrass festival, with acts such as The String Cheese Incident, Ralph Stanley, Steve Martin & the Steep Canyon Rangers, and Rhonda Vincent.  On September 30, 2016 the Greater Ontario Convention & Visitors Bureau announced that 2016 would be the last festival sponsored by it at the Cucamonga-Guasti Regional Park. Rounder Records is an American record label specializing in folk, bluegrass, blues, and other forms of American roots music.  Its roster includes Alison Krauss and Union Station, Béla Fleck, Steve Martin and Edie Brickell, and Steep Canyon Rangers.  Rounder's musicians have won over 40 Grammy Awards since the label's inception in 1970.  The company also maintains book and video divisions. Rare Bird Alert is a 2011 bluegrass album by Steve Martin and the Steep Canyon Rangers, featuring guest appearances by Paul McCartney and The Dixie Chicks.  This is Martin's second consecutive musical album, and comprises 13 songs.  His first all-music album was 2009's "".  "Rare Bird Alert" was first released on March 15, 2011.  The album was nominated for a Grammy on November 30, 2011 (Best Bluegrass Album). " King Tut" is a new bluegrass arrangement of a song that had been a Billboard Top 20 hit for Martin in 1978. Nobody Knows You is a studio album by Steep Canyon Rangers released in 2012 through Rounder Records.  In January 2013, the record won the Grammy Award for Best Bluegrass Album which was presented to Steep Canyon Rangers as artists and co-producers of the album alongside Gary Paczosa.  The album peaked at #2 on "Billboard"'s Top Bluegrass Albums chart.
Answer: The Smothers Brothers Comedy Hour