Question: What performer released a live album recorded live at the studios of the former employer of Sarah Mukherjee?

full_context: Document 1: Jim Muhwezi: He was born in Rukungiri District on 23 August 1950. Jim Muhwezi holds the degree of Bachelor of Laws (LLB), from Makerere University, Uganda's oldest and largest public university. He also has received Senior Military Police and Security Intelligence Training from Tanzania and the former Soviet Union. In July 2009, the Law Development Center in Kampala awarded him the Diploma in Legal Practice, the prerequisite to enrolling as an advocate in Uganda and for obtaining a license to practice law in the country.
Document 2: Amanda Parr: After getting a first class degree in English at the University of Bristol, Parr moved to BBC local radio as a trainee. She then moved to London to study for a postgraduate degree in broadcast journalism. After graduation, she worked in the production teams for various programmes, including "Breakfast with Frost" and on BBC Radio 5 Live and ITN.
Document 3: Live at the BBC (Sandy Denny album): Live at the BBC is a four disc compilation of British folk singer songwriter Sandy Denny's BBC sessions from 1966 to 1973 and contains almost all her solo work for the corporation. Disc 4 of the set is a DVD of Denny performing three songs on the music programme "One in ten" in 1971: the only surviving solo footage of her. This compilation superseded the earlier one-disc set issued on the Strange Fruit label in 1997 that due to rights issues was withdrawn on the day of release thereby creating a highly collectable disc up until the release of this comprehensive set.
Document 4: Sarah Bishop: Sarah Bishop (previously Falkland) is a British television journalist, working as a reporter and newsreader for BBC "Midlands Today" for the West Midlands Region.
Document 5: BBC Sessions (Cocteau Twins album): BBC Sessions is an album of BBC studio recordings by the band Cocteau Twins released in 1999 by Bella Union in the UK and Rykodisc in the US. The album spanned the band's career from the early 1980s through the 1990s. Much of the first disk was taken from a series of early 1980s Peel sessions. The second disk contained several tracks recorded during the group's performance on the 1980s Radio 1 series "Saturday Live". The compilation peaked at No. 87 on the UK Albums Chart.
Document 6: Harriet Spicer: She lived in Chelsea prior to attending Lillsden School for Girls and then Benenden School. In 1968 she spent some time working for Richard Branson's "Student" magazine. She went on to graduate from St Anne's College, Oxford University.
Document 7: Frances Morrell: Frances Morrell was brought up in York and educated at Queen Anne Grammar School there and at Hull University. Much later she undertook an MA at Goldsmiths College, London University. She worked as a schoolteacher from 1960 and married Brian Morrell in 1964. In 1970 she became a Press Officer, working for the Fabian Society and the National Union of Students. This latter role brought her into contact with Tony Benn, then coming to be seen as the leader of the Labour left, and with whom she then agreed on many important issues.
Document 8: Sarah Mukherjee: Sarah Mukherjee (born 1967, London) is a former BBC Environment Correspondent. She was educated at Loughton County High School in Essex, before attending St Hilda's College, Oxford, where she read Law. After working at the House of Commons of the United Kingdom in PR and consultancy, Mukherjee completed her diploma in Journalism at the Polytechnic of Central London.
Document 9: Joo Yeon Sir: A former pupil at the Purcell School, Joo Yeon Sir is a Scholar at the Royal College of Music, London where she studies with Dr Felix Andrievsky. She has been a major prizewinner at national and international competitions in the UK and abroad and has performed as recitalist, chamber musician and soloist with orchestras at various venues including the Wigmore Hall, London Arts Club, St James's Palace in presence of HRH Prince Charles, the Foundling Museum as part of New London Orchestra Young Performer's Concert Series supported by the MBF, and most recently at Fairfield Halls performing Vaughan Williams' The Lark Ascending.
Document 10: Live on Blueberry Hill: The audience recording is one of the first Led Zeppelin bootlegs, and one of the first ever rock and roll bootlegs. It was released on the Blimp label. The album was reissued on the Trademark of Quality label and shipped to England. The album sold so many copies that many fans thought it was a legal release. The sleeve notes describe it as "One hundred and six minutes and fifty three seconds of pure alive rock."
Document 11: BBC Sessions (Led Zeppelin album): BBC Sessions is a compilation album featuring studio sessions and a live concert recorded by English rock group Led Zeppelin for the BBC. It was released on 11 November 1997, by Atlantic Records. Disc one consists of material from four different 1969 BBC sessions. Disc two contains most of the 1 April 1971 concert from the Paris Theatre in London. Disc three was only included in a limited run of album releases and features rare interviews from 1969, 1976/1977, and 1990.
Document 12: Live at Leeds: Live at Leeds is the first live album by the English rock band The Who. It was recorded at the University Refectory, University of Leeds on 14 February 1970, and is the only live album that was released while the group were still actively recording and performing with their best known line - up of Roger Daltrey, Pete Townshend, John Entwistle and Keith Moon. Initially released in the United States on 16 May, by Decca and MCA and the United Kingdom on 23 May, by Track and Polydor, the album has been reissued on several occasions and in several different formats. Since its release, Live at Leeds has been cited by several music critics as the best live rock recording of all time.
Document 13: The History of Eric Clapton: The History of Eric Clapton is a compilation double LP, released in 1972 by Polydor Records in the United Kingdom, and Atco Records in the United States. It features Eric Clapton performing in various bands between 1964 and 1970, including The Yardbirds, Cream, Blind Faith and Derek and the Dominos.
Document 14: Live at the BBC (Fleetwood Mac album): Live at the BBC is a double compact disc compilation album by British blues rock band Fleetwood Mac, recorded at various BBC radio sessions between 1967 and 1971. It contains many tracks by Fleetwood Mac which are otherwise unavailable.
Document 15: Now and Live: Now & Live is a double CD compilation-like album released in 1997 by Paul Rodgers of Free and Bad Company fame. In fact, it is a re-release of the studio album "Now" including a disc of live material recorded in 1995 and issued on the album "".
ground_truth: Fleetwood Mac
sub_queries: Sarah Mukherjee >> employer Answer: BBC
Live at the BBC >> performer Answer: Fleetwood Mac