Question: Who is the lead vocalist of the band that Brian Wheat was best known as the bass guitarist of?
Context: Fursy Teyssier (born 22 September 1985) is a French songwriter, singer, multi-instrumentalist musician, album cover artist and animated film director.  He is most known for being the creator, leader, guitarist, bass guitarist and lead vocalist of shoegazing band Les Discrets.  He is currently live bass guitarist for Empyrium.  He is also the former guitarist and bass guitarist of Amesoeurs, and the former live bassist of Alcest (he also composed and performed "Abysses" in "Écailles de Lune").  Since 27 December 2015 he is a live member of German gothic metal band The Vision Bleak; he previously directed the music video for their song "The Wood Hag". John Glascock (2 May 1951 – 17 November 1979) was the bass guitarist, backing vocalist, and occasional lead vocalist for the progressive rock band Carmen.  He was also the bass guitarist and backing vocalist for the progressive rock band Jethro Tull from December 1975 until August 1979.  He died in 1979, at the age of 28, as a result of a congenital heart valve defect, which was worsened by an infection caused by an abscessed tooth. Brian Wheat (born November 5, 1963 in Sacramento, California) best known as the bass guitarist of the band Tesla.  He formed the band City Kidd in 1982, with his friend Frank Hannon.  After adding Tommy Skeoch, Jeff Keith and Troy Luccketta to the lineup, the band signed with Geffen Records and changed their name to Tesla. Kieren Clark Webster, (born 10 May 1986) is the bass guitarist and occasional lead vocalist for Scottish band The View.  Along with frontman Kyle Falconer, he writes the majority of The View's material.  In 2006, he was placed 6th in NME's Cool List.  He and Falconer alternate roles on some songs such as "Skag Trendy", "Gran's for Tea", "One Off Pretender", "Realisation", "Fireworks and Flowers", "Hole In The Bed" and "Cracks", with Webster taking on guitar and lead vocals and Falconer replacing him as bass guitarist and backing vocalist.  He and other band members are from the Dryburgh district of Dundee. My Heart to Fear are an American Christian metal band, and they primarily play metalcore.  They come from Williamsport, Pennsylvania.  The band started making music in 2008, with members, lead vocalist, Trevor Pool, lead guitarist and vocalist, Dale Upright, rhythm guitarist, Brandon Vartenisian, bass guitarist and vocalist, Taylor Pool, and drummer and vocalist, Luke Brady.  The band released one independently made album, "Invictus", in 2009, along with two independent extended plays, "A Ship Built to Sink", in 2010, and "My Heart to Fear", in 2011.  They signed with Solid State Records, where they released, "Lost Between Brilliance and Insanity", an extended play, in 2012.  Their first album, "Algorithm", released by the label in 2013. The Hunt was a Canadian rock band formed in 1977, mostly made up of members from another Canadian rock band Dillinger.  After Dillinger broke up, guitarists Paul Dickinson and Paul Cockburn, drummer and percussionist Paul Kersey, keyboard player Jacques Harrison, keyboard player and bass guitarist Gerry Mosby, bass guitarist Carl Calvert, and guitarist and bass guitarist Brian Gagnon all eventually were in The Hunt.  Most members also sang.  Producer Steve Vaughan joined the band for two of the albums.  Carl Calvert played bass guitar on the album "Thrill of the Kill" in place of Brian Gagnon.  After having success in Canada but not much in the U.S., the group disbanded in 1984. Among the Thirsty is an American contemporary Christian music and worship band based out of Clearwater, Florida.  Formed in 2005, their members include lead vocalist and acoustic guitarist, Ryan Daniel, guitarist and background vocalist, Brian Scott Henderson, bass guitarist and background vocalist, Brock Douglas and pianist, Alan Pelno.  They released, "Wonder", with Rev Music Group in 2008, and their song, "I'd Need a Savior", appeared on various Christian Song charts published by "Billboard" magazine.  Their second album, "Who You Say I Am", was released by BEC Recordings in 2015, this album saw two songs, "What Love Looks Like" and "Completely", appear on various Christian Song charts. Marianas Trench is a Canadian pop punk band from Vancouver, British Columbia, formed in 2001.  The band consists of members Josh Ramsay (lead vocalist, rhythm guitarist, pianist, songwriter, and occasional drummer), Matt Webb (lead guitarist and backing vocalist), Mike Ayley (bass guitarist and backing vocalist), and Ian Casselman (drummer, percussionist, and backing vocalist).  The band has released four full-length studio albums, the most recent titled "Astoria", released on October 23, 2015, along with 2011's "Ever After", 2009's "Masterpiece Theatre" and 2006's "Fix Me".  Their third album "Ever After" was nominated for a Juno Award. Tesla is an American heavy metal band formed in Sacramento, California in late 1981 by bassist Brian Wheat and guitarist Frank Hannon as "City Kidd".  Lead vocalist Jeff Keith, drummer Troy Luccketta and guitarist Tommy Skeoch joined them by 1984.  By 1986, the band had changed from its glam-derived sound to a 'rootsier' direction under a new name: "Tesla".  By 1990, the band started showing signs of wear, with the introduction of drummer, Stefano Pasta taking the throne for Luccketta for a brief period until his own departure for personal reasons.  In 1996, the band disbanded, with members devoting themselves to solo projects.  In 2000, they reformed, but Tommy Skeoch departed the band in 2006 due to substance abuse, and was replaced by Dave Rude.  They have sold 14 million albums in the United States. Kenickie were an English four-piece pop punk band from Sunderland.  The band was formed in 1994 and consisted of lead vocalist, guitarist and lyricist Lauren Laverne (b. Lauren Gofton), drummer Johnny X (real name Pete Gofton, Lauren's brother), lead guitarist and occasional lead vocalist Marie du Santiago (b. Anne Marie Nixon) and bass guitarist Emmy-Kate Montrose (b. Emma Jackson).  The band's name comes from their favourite character in the 1970s film "Grease".
Answer: Jeff Keith