Question: What is the stage name of the lead member of the group that released Tragic Serenades?

Context paragraphs:
Sincerely: Ever Dream: Sincerely: Ever Dream is the 13th single by the Japanese band Dream as a trio.  It reached number 19 on the weekly Oricon charts and charted for four weeks.  This song also is a reworking of "Sincerely" from the group's album "Dear...", with new lyrics by graduating member Mai Matsumuro.  A promotional video was released on the Dream live 2002 "Process" DVD.  The title song was used as the third ending theme to the anime Hikaru no Go.  This single marks the graduation of the lead member Matsumuro and was released on her birthday, June 10.

Sex and Violence (album): Sex and Violence is the fifth and final album released by hip hop group Boogie Down Productions.  The next year, 1993, the group's lead member, KRS-One, would begin recording under his own name.

Jay Tee: James Trujillo, better known by his stage name Jay Tee, is a rapper, songwriter and producer from Vallejo, CA.  He has been a part of the city's scene since the early 1990s as the lead member of N2Deep and Latino Velvet along with Baby Beesh.  Even though N2Deep's 2000 album "Slightly Pimpish/Mostly Doggish" was a solo album, it wasn't until 2001 that Jay Tee released a solo album under his own name.

Mike Del Rio: Michael Francis Gonzalez (born March 8, 1988), also known by his stage name Mike Del Rio, is a musical artist, producer, and songwriter from New York, NY now based in Los Angeles, CA.  He is the co creator and lead member of the alternative group POWERS along with songwriter, vocalist and instrumentalist Crista Ru signed to Republic Records.  As a record producer, Del Rio's eclectic style and musicality has led him to work with an array of artist such as Kylie Minogue, Selena Gomez, Eminem, Christina Aguilera, Cee Lo Green, Cheryl Cole, The Knocks, Skylar Grey, Jamie N Commons, and X Ambassadors.  Most recently Del Rio executive produced recording artist LP latest album "Lost on You" containing the global hit title track "Lost on You".  He is signed to Alex Da Kid's publishing company KidinaKorner distributed through Universal Music Group.

Thomas Gabriel Fischer: Thomas Gabriel Fischer (born 19 July 1963), also known by his stage names of Tom G. Warrior and Satanic Slaughter, is a Swiss metal musician.  He is considered to be one of the pioneers of the death metal style of singing, which resembles guttural growling.  He led the groups Hellhammer and Celtic Frost, and today is the frontman of the band Triptykon.

Oladad: Oladad is a hip-hop folk-fusion group from Madagascar.  They perform a fusion of hip-hop, dance and the traditional "horija" music of the Betsileo people, including such instruments as the "kabosy", "jejy", "sodina" and fiddle.  The band was formed in 1996 in Fianarantsoa.  The band draws its name from the reverse spelling of the name of lead member Dadalo, whose name signifies "luck" ("vintana mahery adalo").  Oladad comprises five singers (Dadalao, Evans, Kids, Tsiry and Lova) and six musicians.

Diplo: Thomas Wesley Pentz (born November 10, 1978), better known by his stage name Diplo, is an American DJ, record producer, rapper, singer, songwriter and record executive based in Los Angeles, California.  He is the co-creator and lead member of the dancehall music project Major Lazer, and along with producer and DJ Skrillex, formed the electronic duo Jack Ü.  He founded and manages record company Mad Decent, as well as co-founding the non-profit organization Heaps Decent.  Among other jobs, he has worked as a schoolteacher in Philadelphia.  His 2013 EP "Revolution" debuted at number 68 on the US "Billboard" 200.  The song was later featured in a commercial for Hyundai and is featured on the "WWE 2K16" soundtrack.

Tragic Serenades: Tragic Serenades is an EP by the Swiss extreme metal band Celtic Frost.  It was released in 1986, and was an influence on the developing death metal and black metal genres.  According to frontman Thomas Gabriel Fischer, the purpose of this EP was to include Martin Eric Ain's bass lines and improve on Horst Müller's original production of tracks from "To Mega Therion".

José José: José Rómulo Sosa Ortiz (born 17 February 1948), known by his stage name José José, is a Mexican singer, musician and occasional actor.  Born into a family of musicians, and raised in Mexico City, José began his musical career in his early teens playing guitar and singing in serenades.  He later joined a jazz and bossa nova trio where he sang and played bass and double bass.  José found success as a solo artist in the early 1970s.  Demonstrating his vocal ability with a stunning performance of the song "El Triste" at a Latin music festival held in Mexico City in 1970, he climbed the Latin charts during that decade.  Having achieved recognition as a balladeer, his singing garnered universal critical acclaim from musical peers and media.

Red (King Crimson album): Red is the seventh studio album by English progressive rock group King Crimson, released in 1974 by Island Records in the United Kingdom and by Atlantic Records in the United States.  It was their last studio recording of the 1970s and the last before the lead member Robert Fripp temporarily disbanded the group.  Though their lowest-charting album at the time, spending only one week in the UK charts, "Red" has received critical acclaim.

Supporting paragraphs: Tragic Serenades Thomas Gabriel Fischer
Answer: Tom G. Warrior