Rebecca 'Beccy' Huxtable (born 12 August 1981) is a British radio personality and producer, best known for her work as an assistant producer and co-host of "The Scott Mills Show" with Scott Mills on BBC Radio 1.
 She left the show in January 2013 due to being diagnosed with multiple sclerosis, but plans to stay at the station and work with Aled Jones, presenter of "The Surgery with Aled".
Alfred Giovanni Roncalli "Alfie" Boe (born 29 September 1973) is an English tenor and actor, notably performing in musical theatre.
JJ Appleton, born Jon Jason Appleton, is an American musician and singer-songwriter based in New York City who has toured throughout the United States extensively in support of his own records and also with other bands including Jamie Cullum, Newton Faulkner, Pete Yorn, Edwin McCain, Sister Hazel, Joan Osborne, Keb Mo, Hootie and the Blowfish.
 Appleton has been described by the Washington Post as a songwriter with a “pop-rock sound but with considerably more edgy energy, adding figurative lightning to the stormy night.”
 Previously a member of the popular New York band The Grasshoppers, Appleton released his first solo album "500 Moments" in 2003 which led to appearances on the NBC television show "Last Call with Carson Daly", a feature on E!'s "Wild On", and a national affiliation with Budweiser's True Music Live program and Gibson Guitars.
 Appleton released his album "Uphill to Purgatory" in the United States in 2005 which was then re-released in the United Kingdom in 2006 as "Someone Else's Problem" and included three songs from the "500 Moments" EP.
 Based on the recognition he was receiving in England, Appleton decided to move to London in 2006 where he became a regularly featured performer at popular venues such as Ronnie Scott's, The Borderline, and The Regal Room.
 In the meantime, the single "Walk Into The Room" and it's accompanying video became a favorite on English radio and MTV Two.
 In 2015, Appleton released an acoustic blues album entitled "Dirty Memory" with harmonicist Jason Ricci.
Côr Cymru is a Welsh TV competition searching for the best choir in Wales, and airing every 2 years on S4C.
 The first series was presented by Aled Jones and Heledd Cynwal in 2003, but subsequent series have been fronted by Nia Roberts and Gareth Owen.
Hannu-Markus Tapio Norjanen (Mynämäki, 25 February 1964) is a conductor and has worked as the conductor of the Helsinki Cathedral Boy's Choir Cantores Minores since 2005.
 He is also a part of the Cantores Minores head council.
 In the years 1990-1997 Norjanen worked as the conductor of the male choir Amici Cantus, and during 2006-2011 as the conductor of Helsinki Philharmonic Choir.
 In the years 1998-2001 he was the main conductor of the city orchestra of Lappeenranta.
 Norjanen graduated from the Sibelius Academy as an organist (1990), choir director (1992), and as a conductor in 1997.
 Norjanen has also been taught by Eric Ericson and studied conducting in Sweden.
 He was appointed the conductor of the Tapiola Chamber Choir.
The City of Bath Male Choir is a male voice choir from Bath, Somerset.
 The choir came to national prominence in the UK when they came 5th in the Last Choir Standing competition run by BBC television, appearing live on BBC TV on three successive Saturday nights on prime time television during July and August 2008.
 They have sung with Aled Jones(twice), Jamie Cullum, Clare Teal, Alfie Boe and Rhiannon Lambert and on 11 December 2009, performed with Clive Anderson, Max Clifford, Rudolph Walker and Barrie Rutter for the Prostate Cancer Charity in St. John's Church, Westminster
Thomas Linley (17 January 1733 – 19 November 1795) was an English tenor and musician active in Bath, Somerset.
 Born in Badminton, Gloucestershire, Linley began his musical career after he moved to Bath at age 11 and became apprentice to the organist Thomas Chilcot.
 After his marriage to Mary Johnson in 1752, Linley at first supported his wife and growing family predominantly as a music teacher.
 As his children grew and he developed their musical talent, he drew an increasing amount of income from their concerts while also managing the assembly rooms in Bath.
 When the new Bath Assembly Rooms opened in 1771, Linley became musical director and continued to promote his children's careers.
 He was eventually able to move to London with the thousands of pounds which he had amassed from their concerts.
Clare Teal (born 14 May 1973, Kildwick, Yorkshire) is an English singer and broadcaster who has become famous not only for her singing, but also for having signed the biggest recording contract by a British jazz singer.
Isabel Suckling (born 24 March 1998) is a British singer who upon signing a record deal with Decca Records became the youngest classical recording artist signed by Decca to date, and the first choirgirl to sign a record contract with a major music label.
 Suckling sang in the choir at York Minster at the time, and was discovered by Decca following a nationwide search.
 She is currently being mentored by the singer, TV/radio presenter and former boy soprano Aled Jones.
Big Band Special was a BBC Radio 2 series which launched in September 1979 as a showcase for the BBC Big Band in session and in concert.
 Big Band Special was a 30-minute programme broadcast on Monday nights at 9.30pm and presented by Clare Teal since April 2006.
 Big Band Special was also available to listen to for a further 7 days following each broadcast via the BBC iPlayer.

Question: In addition to Aled Jones, Jamie Cullum, Clare Teal and the English tenor born in September 1973, who else have the City of Bath Male Choir sung with?
Answer: Rhiannon Lambert