Question: What band did Red Triangle work with that was from Derby, Derbyshire, England?
Context: The Chesterfield Musketeers Showband are a marching band and Carnival Band based in Chesterfield & Derby in Derbyshire, England.  They are a Registered Charity (Registered Charity Number 1122519).  They play an upbeat and popular style of music and wear a French Musketeer style of uniform.  They practice, weekly at Alvaston Park/Derby Arena in Derby (Wednesdays & Sundays) and Stand Road Park Chesterfield, Derbyshire.  They Entertain all over the UK and Europe performing Figure Routines and Dances during Parades and Arena 15 minute Arena Displays at Carnivals, Fetes, Galas and Promotions, helping Councils, Organisations and Charities raise their much needed funds. The Derbyshire Record Office, established in 1962, is the county record office for Derbyshire, England.  It holds archives and local studies material for the County of Derbyshire and the City of Derby and Diocese of Derby.  It is situated in Matlock.  The Record Office contains more than four miles of original Derbyshire records. William Chatterton (27 December 1861 – 19 March 1913) was an English cricketer and footballer.  He played first-class cricket for Derbyshire between 1882 and 1902 and for England in 1891/2.  He captained Derbyshire between 1887 and 1889 and scored over 10,000 runs in his first-class career as well as taking over 200 wickets.  He played football for Derby County, being one of 19 sportsmen to achieve the Derbyshire Double of playing cricket for Derbyshire and football for Derby County. The Bass Brewery was founded in 1777 by William Bass in Burton-upon-Trent, England.  The main brand was Bass Pale Ale, once the highest-selling beer in the UK.  By 1877, Bass had become the largest brewery in the world, with an annual output of one million barrels.  Its pale ale was exported throughout the British Empire, and the company's distinctive red triangle became the UK's first registered trademark. Matthew Steven "Matt" Lineker (born 12 January 1985 in Derby, England) is an English cricketer, a left handed batsman and slow left-arm orthodox bowler who played for Derbyshire, he is currently a free agent.  He made his first class debut for Derbyshire against Essex in August 2011.  Lineker signed a summer contract with Derbyshire in 2010 for the 2011 season.  Lineker had been a regular scorer in the Derbyshire Premier League before signing for Derbyshire. Red Triangle, also known as Red Triangle Productions, is a British songwriting and production team comprising Rick Parkhouse and George Tizzard.  They are known for their work with popular acts including James Arthur, Charlie Puth, The Struts, 5 Seconds of Summer, Cheryl, Little Mix, The Vamps, The Saturdays, Union J, Loveable Rogues and are credited with over 50 major label cuts including Greenday. Derbyshire County Cricket Club is one of eighteen first-class county clubs within the domestic cricket structure of England and Wales.  It represents the historic county of Derbyshire.  Its limited overs team is called the Derbyshire Falcons in reference to the famous peregrine falcon which nests on the Derby Cathedral (it was previously called the Derbyshire Scorpions until 2005 and the Phantoms until 2010).  Founded in 1870, the club is classified by substantial sources as holding important match status from its first match in 1871 until 1887.  Because of poor performances and lack of fixtures in some seasons, Derbyshire then lost its important status for seven seasons until it was invited into the County Championship in 1895.  Derbyshire is classified as an "official" first-class team from 1895 by Marylebone Cricket Club (MCC) and the County Championship clubs; classified as a List A team since the beginning of limited overs cricket in 1963; and classified as a senior Twenty20 team since 2003. The red triangle was a content warning system employed by mainstream terrestrial British TV broadcaster Channel 4 for a brief period in 1986.  The channel showed a number of mainly 'X' or 18 certificate art films in the early hours of the morning as part of the "red triangle" series, gaining unexpectedly large audiences.  After lobbying from newspapers and pressure groups this method of identifying such material was discontinued. The Struts are an English rock band from Derby, Derbyshire, England.  The band consists of vocalist Luke Spiller, guitarist Adam Slack, bassist Jed Elliott, and drummer Gethin Davies.  Formed in 2009, the original lineup was composed of Spiller, Slack, bassist Jamie Binns and drummer Rafe Thomas. The Red Triangle is the colloquial name of a roughly triangle-shaped region off the coast of northern California, extending from Bodega Bay, north of San Francisco, out slightly beyond the Farallon Islands, and down to the Big Sur region, south of Monterey.  The area has a very large population of marine mammals, such as elephant seals, harbor seals, sea otters, sea lions, and humans, which are favored prey of great white sharks. Around thirty-eight percent of recorded great white shark attacks on humans in the United States have occurred within the Red Triangle — eleven percent of the worldwide total.  The area encompasses the beaches of the heavily populated San Francisco Bay Area, and many people enjoy surfing, windsurfing, swimming and diving in these waters.
Answer: The Struts