Tracker Action
Tracker action is a term used in reference to pipe organs and steam calliopes to indicate a mechanical linkage between keys or pedals pressed by the organist and the valve that allows air to flow into pipe(s) of the corresponding note. This is in contrast to "direct electric action" and "electro-pneumatic action", which connect the key to the valve through an electrical link or an electrically assisted pneumatic system respectively, or "tubular-pneumatic action" which utilizes a change of pressure within lead tubing which connects the key to the valve pneumatic. History Ancient history Organs trace their history as far back as at least the 3rd century BC with an organlike device known as the hydraulis. Also known as a "water organ" or "Roman organ", the hydraulis was an instrument in which water was used as a source of power to push wind through organ pipes. (It is not to be confused with the hydraulic action of a hydraulophone, an instrument that actually uses water to produ ...
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Pipe Organ Tracker Action
Pipe(s), PIPE(S) or piping may refer to: Objects * Pipe (fluid conveyance), a hollow cylinder following certain dimension rules ** Piping, the use of pipes in industry * Smoking pipe ** Tobacco pipe * Half-pipe and quarter pipe, semi-circular ramps for performing skateboarding/snowboarding tricks * Piping (sewing), tubular ornamental fabric sewn around the edge of a garment * ''For the musical instruments'', see #Music, below Music * Pipe (instrument), a traditional perforated wind instrument * Bagpipe, a class of musical instrument, aerophones using enclosed reeds ** Pipes and drums or pipe bands, composed of musicians who play the Scottish and Irish bagpipes * Organ pipe, one of the tuned resonators that produces the main sound of a pipe organ * Pan pipes, see Pan flute, an ancient musical instrument based on the principle of the stopped pipe * Piped music, or elevator music, a type of background music * "Pipe", by Christie Front Drive from ''Christie Front Drive (EP), Christ ...
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Paul Fritts
Paul Fritts is an American organ builder based in Tacoma, Washington, who, following historical models, has created over thirty mechanical action instruments that have contributed to the revival of historically informed organ music. The Murdy organ at Basilica of the Sacred Heart (Notre Dame) in Notre Dame, Indiana is his largest Fritts instrument to date, with four manuals (keyboards) and 70 stops. Other recent Fritts instruments of note are located at the University of Notre Dame (2 man. 34 st.), Princeton Theological Seminary (2 man. 39), and Pacific Lutheran University (3 man. 54 st.). The organ at PLU was the largest Fritts organ built before the organ in Columbus. Several of the most notable American performers have recorded on Fritts organs, among them William Porter, Craig Cramer, Christa Rakich, and Robert Bates. In addition, the renowned German scholar and performer Harald Vogel has recorded on the Fritts organ at the Episcopal Church of the Ascension in Seattle ...
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Cradley Heath Baptist Church Organ A03
Cradley may refer to: * Cradley, Herefordshire, England ** Cradley and Storridge, a civil parish formerly called just "Cradley" * Cradley, West Midlands, a suburb of Halesowen in the West Midlands * Cradley Heath, a small town in the Sandwell borough, in the West Midlands * Cradley Heathens Cradley Heathens was a motorcycle speedway team from Dudley, England. The team was founded in 1947 and competed at the top level of British speedway until its closure in 1995. It was revived as Dudley Heathens in 2010, competing in the National L ...

Pipe Organ
The pipe organ is a musical instrument that produces sound by driving pressurized air (called ''wind'') through the organ pipes selected from a keyboard. Because each pipe produces a single pitch, the pipes are provided in sets called ''ranks'', each of which has a common timbre and volume throughout the keyboard compass. Most organs have many ranks of pipes of differing timbre, pitch, and volume that the player can employ singly or in combination through the use of controls called stops. A pipe organ has one or more keyboards (called '' manuals'') played by the hands, and a pedal clavier played by the feet; each keyboard controls its own division, or group of stops. The keyboard(s), pedalboard, and stops are housed in the organ's ''console''. The organ's continuous supply of wind allows it to sustain notes for as long as the corresponding keys are pressed, unlike the piano and harpsichord whose sound begins to dissipate immediately after a key is depressed. The smallest po ...
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Tractor
A tractor is an engineering vehicle specifically designed to deliver a high tractive effort (or torque) at slow speeds, for the purposes of hauling a trailer or machinery such as that used in agriculture, mining or construction. Most commonly, the term is used to describe a farm vehicle that provides the power and traction to mechanize agricultural tasks, especially (and originally) tillage, and now many more. Agricultural implements may be towed behind or mounted on the tractor, and the tractor may also provide a source of power if the implement is mechanised. Etymology The word ''tractor'' was taken from Latin, being the agent noun of ''trahere'' "to pull". The first recorded use of the word meaning "an engine or vehicle for pulling wagons or plows" occurred in 1896, from the earlier term " traction motor" (1859). National variations In the UK, Ireland, Australia, India, Spain, Argentina, Slovenia, Serbia, Croatia, the Netherlands, and Germany, the word "tractor" u ...
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Cradley Heath Baptist Church Organ A01
Cradley may refer to: * Cradley, Herefordshire, England ** Cradley and Storridge, a civil parish formerly called just "Cradley" * Cradley, West Midlands, a suburb of Halesowen in the West Midlands * Cradley Heath, a small town in the Sandwell borough, in the West Midlands * Cradley Heathens Cradley Heathens was a motorcycle speedway team from Dudley, England. The team was founded in 1947 and competed at the top level of British speedway until its closure in 1995. It was revived as Dudley Heathens in 2010, competing in the National L ...

Church Organ Tracker Action
Church may refer to: Religion * Church (building), a building for Christian religious activities * Church (congregation), a local congregation of a Christian denomination * Church service, a formalized period of Christian communal worship * Christian denomination, a Christian organization with distinct doctrine and practice * Christian Church, either the collective body of all Christian believers, or early Christianity Places United Kingdom * Church (Liverpool ward), a Liverpool City Council ward * Church (Reading ward), a Reading Borough Council ward * Church (Sefton ward), a Metropolitan Borough of Sefton ward * Church, Lancashire, England United States * Church, Iowa, an unincorporated community * Church Lake, a lake in Minnesota Arts, entertainment, and media * '' Church magazine'', a pastoral theology magazine published by the National Pastoral Life Center Fictional entities * Church (''Red vs. Blue''), a fictional character in the video web series ''Red vs. Blue'' ...
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Australia
Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, smaller islands. With an area of , Australia is the largest country by area in Oceania and the world's List of countries and dependencies by area, sixth-largest country. Australia is the oldest, flattest, and driest inhabited continent, with the least fertile soils. It is a Megadiverse countries, megadiverse country, and its size gives it a wide variety of landscapes and climates, with Deserts of Australia, deserts in the centre, tropical Forests of Australia, rainforests in the north-east, and List of mountains in Australia, mountain ranges in the south-east. The ancestors of Aboriginal Australians began arriving from south east Asia approximately Early human migrations#Nearby Oceania, 65,000 years ago, during the Last Glacial Period, last i ...
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Sydney
Sydney ( ) is the capital city of the state of New South Wales, and the most populous city in both Australia and Oceania. Located on Australia's east coast, the metropolis surrounds Sydney Harbour and extends about towards the Blue Mountains to the west, Hawkesbury to the north, the Royal National Park to the south and Macarthur to the south-west. Sydney is made up of 658 suburbs, spread across 33 local government areas. Residents of the city are known as "Sydneysiders". The 2021 census recorded the population of Greater Sydney as 5,231,150, meaning the city is home to approximately 66% of the state's population. Estimated resident population, 30 June 2017. Nicknames of the city include the 'Emerald City' and the 'Harbour City'. Aboriginal Australians have inhabited the Greater Sydney region for at least 30,000 years, and Aboriginal engravings and cultural sites are common throughout Greater Sydney. The traditional custodians of the land on which modern Sydney stands are ...
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Sydney Opera House
The Sydney Opera House is a multi-venue performing arts centre in Sydney. Located on the foreshore of Sydney Harbour, it is widely regarded as one of the world's most famous and distinctive buildings and a masterpiece of 20th-century architecture. Designed by Danish architect Jørn Utzon, but completed by an Australian architectural team headed by Peter Hall, the building was formally opened by Queen Elizabeth II on 20 October 1973 after a gestation beginning with Utzon's 1957 selection as winner of an international design competition. The Government of New South Wales, led by the premier, Joseph Cahill, authorised work to begin in 1958 with Utzon directing construction. The government's decision to build Utzon's design is often overshadowed by circumstances that followed, including cost and scheduling overruns as well as the architect's ultimate resignation. The building and its surrounds occupy the whole of Bennelong Point on Sydney Harbour, between Sydney Cove and Far ...
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Sydney Opera House Grand Organ
The Sydney Opera House Grand Organ is the world's largest mechanical tracker-action pipe organ. It is located in the concert hall of Sydney Opera House in Sydney, Australia, and was designed by Ronald Sharp, who was assisted by Mark Fisher, Myk Fairhurst and Raymond Bridge. It is in six divisions, five manuals plus pedals, and is the largest tracker action organ ever built, with 131 speaking stops served by 200 ranks of pipes consisting of 10,244 pipes. It is a neo-baroque organ in style. The contract for the construction of the organ was awarded in 1969, during the construction of the Opera House, and the organ was completed in 1979, six years after the opening of the building. Since then the electronics have been updated, including a major refit in 2002, but the musical specification is unchanged from that developed by Sharp starting in 1967. In April 1994 the Sydney Opera House Trust awarded the contract for ongoing maintenance of the organ to Mark Fisher, one of the origina ...
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Flentrop
Flentrop is a Dutch company based in Zaandam that builds and restores organs. History It was established in 1903 by Hendrik Wicher Flentrop (1866 -1950) from Koog aan de Zaan. Hendrik, originally a house painter by trade, was an organist at the Westzijderkerk in Zaandam, and started a piano- and organ trade. He believed that old organs could not be adapted to contemporary tastes, but had valid sound nonetheless. In 1915, after experience had been gained with restoration and extension of organs, the first new organ was built. Beginning in 1922 he corresponded with Albert Schweitzer, which resulted in pronounced opinions concerning the demands which had to be made on the organ. Dirk Andries Flentrop (1910-2003), son of Hendrik Wicher Flentrop and Christina Anna Dekker, took control of the company in 1940. Important organs, such as that of Hans van Covelen in the large church at Alkmaar, and the Schnitger organs in the large church at Zwolle and the Laurenskerk in Alkmaar, were rest ...
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