Question: What performer at Redcar Bowl was formed in London in 1969?

Context paragraphs:
Desperado Corner: Desperado Corner is a play written for the stage by English playwright Shaun Lawton.  It started out as a collection of performance poems and monologues written and performed by Lawton in London between 1973 and 1976.  It is set in the seaside town of Redcar in the north east of England in 1959.

Pip Donaghy: Pip Donaghy (born 1944) is a British actor who in a four-decade career has appeared in television, film and on stage.  Born as Philip F. Donaghy in Redcar in Yorkshire in 1944, Donaghy trained at the London Drama Centre.  He is a former member of the National Theatre and the Royal Shakespeare Company.

Jack Thompson (footballer): John "Jack" L. Thompson (born 22 July 1892 in Redcar, died October 1969 in Bath) was an English footballer who played for Sheffield United and Bristol City in The Football League.

1947 Rose Bowl: The 1947 Rose Bowl was a college football bowl game.  It was the 33rd Rose Bowl Game.  The Illinois Fighting Illini defeated the UCLA Bruins, 45–14.  Illinois halfbacks Buddy Young and Jules Rykovich shared the Rose Bowl Player Of The Game award.  They were named the Rose Bowl Players Of The Game when the award was created in 1953 and selections were made retroactively.  It was the first Rose Bowl game that featured teams from the Pacific Coast Conference and the Big Nine Conference by the terms of an exclusive five-year agreement.  It is known as the first "modern" Rose Bowl, and the modern Rose Bowl records date back to this game.  This exclusive agreement remained in place until the 1999 Rose Bowl when the Rose Bowl became part of the Bowl Championship Series, with the exception of the games from 1960 onward following the collapse of the PCC and prior to the renegotiation with the newly formed Athletic Association of Western Universities (AAWU), highlighted by the 1962 Rose Bowl where Big Ten champion Ohio State declined the invitation.

Kirkleatham: Kirkleatham is a village in the unitary authority of Redcar and Cleveland and the ceremonial county of North Yorkshire, England.  It is located approximately 4.5 mi north/north-west of Guisborough, and 3 mi south of Redcar.  It is near the mouth of the River Tees.  Instead of a village, Kirkleatham could be classified as a collection of buildings that formed the Turner Estate, named for the Turner family who lived at Kirkleatham from 1661.  Kirkleatham has one of the best collections of Georgian-style buildings in England.

Tees Valley: The Tees Valley is a city region and combined authority area in the North East of England nestled between North Yorkshire and County Durham and consisting of the following five unitary authorities: Darlington, Hartlepool, Middlesbrough, Redcar and Cleveland and Stockton-on-Tees, the latter four previously formed the non-metropolitan county of Cleveland between 1974 and 1996.  Much of the area formed the County Borough of Teesside before 1974.

Redcar Bowl: Redcar Bowl (formerly Coatham Bowl) was an entertainment venue located in Redcar, England.  It hosted events ranging from conferences, dances and pop concerts.  The bowl was a particularly popular venue for concerts during the late-1960s to mid-1980s.  Notable past performers include Pink Floyd, Deep Purple, Fleetwood Mac, Whitesnake, Yes, Uriah Heep, Gentle Giant and Black Sabbath.  In 2014 the Redcar Bowl was demolished to make way for new projects.

Basczax: Basczax were a British post-punk band formed in Redcar in August 1978.

Uriah Heep (band): Uriah Heep are an English rock band formed in London in 1969.  Twelve of the band's albums have made it to the UK Albums Chart ("Return to Fantasy" reached No. 7 in 1975) while of the fifteen "Billboard" 200 Uriah Heep albums "Demons and Wizards" was the most successful (#23, 1972).  In the late 1970s the band had massive success in Germany, where the "Lady in Black" single was a big hit.  Along with Led Zeppelin, Black Sabbath and Deep Purple, Uriah Heep had become one of the top rock bands in the early 1970s.

Old Hay Brook: The Old Hay Brook is a small river in Sheffield, South Yorkshire, England.  It is formed from the Redcar Brook, Blacka Dike and another stream, which rise on moors to the south of Sheffield, and is joined by Needham's Dyke near Totley Grange.  At Totley Rise it joins Totley Brook, to become the River Sheaf.  Water from the river was used to power mills processing lead, corn and paper from at least the 17th century, which were later used for grinding scythes as the Sheffield metal industry expanded.  All the mills were defunct by 1900, although some remnants including weirs and dams are still visible.

Supporting paragraphs: Redcar Bowl Uriah Heep (band)
Answer: Uriah Heep