Leon Gast is an American documentary film director, producer, cinematographer, and editor.
 His documentary, "When We Were Kings" depicts the iconic heavyweight boxing match: The Rumble in the Jungle between Muhammad Ali and George Foreman.
 This film would go on to win the 1996 Academy Award for Documentary Feature and the Independent Spirit Award.
 Gast co-directed the 1977 documentary, "The Grateful Dead Movie" with guitarist Jerry Garcia.
 The film captured the band's October 1974, five-night performance at the Winterland Ballroom in San Francisco.
 Gast also co-directed the 1983 film "Hell's Angels Forever," which focused on the notorious motorcycle club Hells Angels.
 The Angels are believed to have learned that Gast put material in the documentary in which they didn't prefer.
 To this end, Gast claims that the Angels tracked him down and beat him up.
 Gast has also produced works on B.B. King and Celia Cruz.
Are You Listening!
 (Original title in Bengali: শুনতে কি পাও!
: Shunte Ki Pao!)
, is a Bangladeshi documentary film written-directed by Kamar Ahmed Saimon and produced by Sara Afreen.
 It was the ‘Curtain-Opener’ of 55th DOK Leipzig in Germany (2012), one of the oldest documentary festivals of the world.
 Later the film won the ‘Grand Prix’ in the 35th Cinéma du Réel held in Paris (2013) and 'Golden Conch' in Mumbai International Film Festival (MIFF) 2014, India, as the best feature-length documentary.
 It was also in the ‘Official Selection’ of the 25th International Documentary Festival of Amsterdam (IDFA) in Netherlands (2012) and in the New Asian Current Competition (NAC) of 25th Yamagata International Documentary Film Festival in Japan (2013).
 Earlier the film was amongst the 9 selected projects invited for Editing Lab of Berlinale Talents programme in Berlin International Film Festival 2012.
 In a rare move as a documentary, it was released in theatre in Bangladesh on 21 February 2014 in Bashundhara Star Cineplex and successfully ran for four weeks.
 In 2015, the film was awarded with Bangladesh National Film Award as the Best Feature (Non-fiction) handed over by Sheikh Hasina, Prime Minister of People's Republic of Bangladesh.
 Written, directed and also filmed by Kamar over a span of 20 months living in a remote coastal village (Sundarbans) of Bangladesh, it is an observational cinema inspired in Cinema Vérité or Direct Cinema style, a genre almost missing until now in Bangladesh.
 Set against the backdrop of Aila, (a tidal surge) that swept over Bangladesh in 2009, the film celebrates the joy, dream and the resilience of the common people of Bangladesh.
Favela Rising is a 2005 documentary film by American directors Jeff Zimbalist and Matt Mochary.
 It was produced by Sidetrack Films and VOY Pictures.
 It debuted at the Tribeca Film Festival on April 24, 2005 where it won the award for "Best New Documentary Filmmaker" for Zimbalist and Mochary.
 The film's look at life in Brazil's slums won it further awards such as "Best Documentary Film" from the New York Latino Film Festival and "Best Feature Documentary" from Big Sky Documentary Film Festival.
 The film has won over twenty-five international festival awards and was short-listed for an Oscar.
The Big One is a 1998 documentary film written and directed by documentarian filmmaker and activist Michael Moore released by Miramax Films.
 The film documents Moore during his promotion tour around the United States for his book "Downsize This!
".
 Through the 47 towns he visits, Moore discovers and describes American economic failings and the fear of unemployment of American workers.
Who is Lydia Loveless is a 2016 documentary film by Gorman Bechard that chronicles the making of musician Lydia Loveless's latest album, as well as following her on the road and looking into what life is life for a band at her level in the music industry.
 "I also wanted to look at stuff we normally don’t see a lot of.
 What are the finances for a band like this?
 Where does the money go?
 Who gets the money?
 Is Spotify good?
 Is Spotify bad?
 How does piracy affect you?
 What about the fans?
 I really wanted to go into all of that for a band that can sell out 200- or 250-seat venues and bars but is still traveling in an old Ford van.
 A good night is when they have a couple of hotel rooms.
 No one is rolling in the dough, so to speak.
 So what is it at that point when you have amazing critical success and acclaim but you’re not there yet?"
 In October 2015, Bechard and his crew filmed a live Lydia Loveless concert at Skully's in her hometown of Columbus for the documentary.
New Haven Documentary Film Festival (also known as NHdocs) is an annual documentary film festival held in New Haven, Connecticut, over a weekend in the month of June.
 Screenings take place at Yale University’s Whitney Humanities Center Auditorium and the New Haven Free Public Library.
 NHdocs is a regional festival that showcases documentaries by filmmakers from the greater New Haven area and beyond.
 NHdocs was launched in 2014 when the film festival’s co-founders Charles Musser, Gorman Bechard, Jacob Bricca, and Lisa Molomot came together at the Big Sky Documentary Film Festival and decided to create a documentary film festival in New Haven that would “build a sense of community among documentary filmmakers from the greater New Haven area.”
 In 2014, the four filmmakers each showed one of their recently completed documentaries, three of which had just played at the Big Sky.
Go Further is a 2003 documentary film by Ron Mann starring Woody Harrelson and a group of other environmental activists riding around in a large, bio-fueled bus.
 The tour was called the Simple Organic Living Tour and it was produced by cause-related marketers the Spitfire Agency.
 The film debuted at the South by Southwest Film Festival in March 2003, and at the Toronto International Film Festival in September 2003, where it was first runner-up for the People's Choice Award.
 It was also nominated for a Genie Award for Best Documentary.
 The film features cameos by Dave Matthews, Natalie Merchant, Ken Kesey, Bob Weir (of the Grateful Dead), Michael Franti (of Spearhead), Anthony Kiedis (of Red Hot Chili Peppers), Rob Heydon, Medeski Martin & Wood, and The String Cheese Incident.
Quiet Riot: Well Now You're Here, There's No Way Back is a 2015 documentary film about Los Angeles-based heavy metal and hair metal band Quiet Riot.
 The film was directed by former actress Regina Russell Banali.
 It premiered January 29, 2015, on Showtime and was screened out of competition at the 2015 Cannes Film Festival.
 The film had its festival premier at the 2014 Newport Beach Film Festival and won the Festival Honors award for "Outstanding Achievement in Filmmaking" in the music category.
 It also won "Best Music Documentary" from the Oregon Independent Film Festival, and was an official selection of The Hollywood Film Festival, the Carmel International Film Festival, Indie Memphis Film Festival, St. Louis International Film Festival, and Big Sky Documentary Film Festival.
Big Sky Documentary Film Festival is an annual non-fiction film festival held in Missoula, Montana each February.
 The event showcases documentary films from around the world.
 The festival first began in 2003 as a seven-day event.
 It is now a ten-day event.
 The Big Sky Documentary Film Festival is the largest cinema event in Montana.
 The festival presents an average of 150 non-fiction films annually at the historic Wilma Theater, The Top Hat, The Roxy Theater, and Crystal Theater in downtown Missoula.
Growing the Big One is a 2010 American television film directed by Mark Griffiths.
 It was developed as one of twenty-four programs scheduled for broadcast on the Hallmark Channel and Hallmark Movies & Mysteries during the 2010–11 television season.
 Anna Sandor and Diane Mettler wrote the film; Howard Meltzer, Jane Goldenring, and Ted Bauman served as executive producers. Shannen Doherty and Kavan Smith star as the lead characters.
 One commentator noted that the film marked a transition for Doherty away from her "bad girl" reputation.

Question: Are Go Further and The Big One both a documentary film?
Answer: yes