Question: Who composed the music for the film that was Isreal Horovitz's feature directorial debut ?
Context: The Great Muppet Caper is a 1981 British-American mystery musical comedy film directed by Jim Henson, marking his feature directorial debut.  The film is about the Muppets who must travel to London to stop a jewel heist.  It is the second of a series of live-action musical feature films, starring Jim Henson's Muppets.  The film was a British-American venture produced by Henson Associates and ITC Entertainment, and originally released by Universal Pictures on 26 June 1981.  It is also the only Muppet feature film directed by Henson.  Shot in Great Britain in 1980, the film was released shortly after the final season of "The Muppet Show". Jordan Charles Vogt-Roberts (born September 22, 1984) is an American film and television director and screenwriter.  His feature directorial debut, "The Kings of Summer", screened at the 2013 Sundance Film Festival, where it was nominated for the Grand Jury Prize, and also at the 2013 Cleveland International Film Festival.  The film won the Narrative Feature Audience Award at the 2013 Dallas International Film Festival.  He also wrote and directed a short film which screened at the Sundance Film Festival and SXSW, "Successful Alcoholics".  He also co-wrote and directed the TV series "Mash Up".  In 2017, Vogt-Roberts directed the MonsterVerse film "". James Cameron is a Canadian director, screenwriter, and producer who has had an extensive career in film and television.  Cameron's debut was the 1978 science fiction short "Xenogenesis", which he directed, wrote and produced.  In the early part of his career, he did various technical jobs such as special visual effects producer, set dresser assistant, matte artist, and photographer.  His feature directorial debut was the 1981 release "".  The next film he directed was the science fiction action thriller "The Terminator" (1984).  It starred Arnold Schwarzenegger as the titular cyborg assassin, and was Cameron's breakthrough feature.  In 1986, he directed and wrote the science fiction action sequel "Aliens" starring Sigourney Weaver.  He followed this by directing another science fiction film "The Abyss" (1989).  In 1991, Cameron directed the sequel to "The Terminator", "" (with Schwarzenegger reprising his role), and also executive produced the action crime film "Point Break".  Three years later he directed a third Schwarzenegger-starring action film "True Lies" (1994). Luk'Luk'I (pronounced "lucklucky") is a Canadian drama film, which premiered at the 2017 Toronto International Film Festival.  The feature directorial debut of Wayne Wapeemukwa, the film is an expansion of his earlier short film "Luk'Luk'I: Mother", which premiered at the 2014 Toronto International Film Festival. Mark Orton is an American composer and musician.  An alumnus of the Peabody Conservatory and the Hartt School of Music, he is a founding member of the San Francisco-based Tin Hat chamber music group, and is best known for his score for the Academy Award-nominated film "Nebraska" (2013).  A recipient of a Sundance Composer Fellowship and nominee for Best New Composer by The International Film Music Critics Association, some of his other film credits as a composer include "The Good Girl" (2002), "My Old Lady" (2014) and Sweet Land (2006), while he has written or performed songs in films including "Everything Is Illuminated" (2005) and "The Boxtrolls" (2014).  Orton lives in Portland, Oregon. My Old Lady is a British–French–American comedy-drama film written and directed by Israel Horovitz in his feature directorial debut.  He had previously directed "3 Weeks After Paradise", a 51-minute testimonial from 2002 about his family's experiences following the September 11, 2001, terrorist attacks on New York's World Trade Center.  The film stars Maggie Smith, Kevin Kline, Kristin Scott Thomas, and Dominique Pinon.  It was screened in the Special Presentations section of the 2014 Toronto International Film Festival. Shelter is a 2007 American film produced by JD Disalvatore, and directed/written by Jonah Markowitz.  It stars Trevor Wright, Brad Rowe, and Tina Holmes.  It was the winner of "Outstanding Film – Limited Release" at the 2009 GLAAD Media Awards, Best New Director and Favorite Narrative Feature at the Seattle Lesbian & Gay Film Festival, and the People's Choice Award for Best Feature at the Vancouver Queer Film Festival.  "Shelter" represents the feature directorial debut of Markowitz. Miles Ahead is a 2015 American music film directed by Don Cheadle in his feature directorial debut, which Cheadle co-wrote with Steven Baigelman, Stephen J. Rivele, and Christopher Wilkinson, which interprets the life and compositions of jazz musician Miles Davis.  The film stars Cheadle, Emayatzy Corinealdi, and Ewan McGregor, and closed the New York Film Festival on October 11, 2015.  The film takes its title from Davis's 1957 album. Fling, internationally titled Lie to Me, is an independent Comedy film about a couple navigating the hazards of an open relationship.  It is the feature directorial debut of director John Stewart Muller and stars Brandon Routh, Steve Sandvoss, Courtney Ford, Nick Wechsler, Shoshana Bush and Ellen Hollman.  It is the first feature from Santa Monica-based Steele Films and was written and produced by John Stewart Muller and his partner Laura Boersma. The Duellists is a 1977 historical drama film and the feature directorial debut of Ridley Scott.  It won the Best Debut Film award at the 1977 Cannes Film Festival.  The basis of the screenplay is the Joseph Conrad short story "The Duel" (titled "Point of Honor" in the United States) published in "A Set of Six".
Answer: Mark Orton