Question: Whom has performed in more bands, Randy Blythe or Sharleen Spiteri? 

full_context: Document 1: All the Times I Cried: "All the Times I Cried" is the debut solo single by Texas lead singer, Sharleen Spiteri, from her debut solo album, "Melody". It was digitally released in the U.K. on June 30, 2008, and physically released on July 7, 2008. It was taken from The Shangri Las song 'Out In The Streets'.
Document 2: Red Book (album): Red Book is the seventh album from Scottish rock band Texas. It was released on 7 November 2005 and entered the UK Albums Chart at #16. It is named after the little red book that singer Sharleen Spiteri used to write the album songs. The album yielded two UK Top Ten singles, "Getaway" and "Sleep" and the UK Top 20 single, "Can't Resist". Four of the album's tracks were co-written with Brian Higgins of Xenomania — "Can't Resist", "Cry", "Get Down Tonight" and "Bad Weather".
Document 3: Sharleen Spiteri discography: This is the discography for Scottish alternative rock singer, Sharleen Spiteri. For her work within the Scottish rock band Texas, see Texas discography. Her debut solo album "Melody" was released in 2008 and charted at number 3 on the UK Albums Chart. Her second solo album, "The Movie Songbook", was released on 1 March 2010.
Document 4: Shirley Manson: Shirley Ann Manson (born 26 August 1966) is a Scottish singer, songwriter and actress. She is the lead vocalist of the alternative rock band Garbage. For much of her international career Manson commuted between her home city of Edinburgh and the United States to record with Garbage; she now lives and works in Los Angeles. Manson gained media attention for her forthright style, rebellious attitude and distinctive voice.
Document 5: Texas (band): Texas are a Scottish pop rock band from Glasgow. They were founded in 1986 by Johnny McElhone (formerly of the bands Altered Images and Hipsway) and Sharleen Spiteri on lead vocals. Texas made their performing debut in March 1988 at the University of Dundee. They took their name from the 1984 Wim Wenders movie "Paris, Texas".
Document 6: Randy Blythe: David Randall "Randy" Blythe (born February 21, 1971), is an American singer, best known as the vocalist and lyricist of American heavy metal band Lamb of God. He has also performed guest vocals for Cannabis Corpse, Overkill and Gojira, and he is the lead singer of side-project band Halo of Locusts. As a teenager, he looked up to bands of the hardcore punk scene such as the Sex Pistols, Bad Brains, and Black Flag.
Document 7: The Movie Songbook: The Movie Songbook is the second studio album by Scottish singer-songwriter Sharleen Spiteri. It was released on 1 March 2010. The album consists of film song covers, chosen and recorded by Spiteri in 2009.
Document 8: Ronnie Radke: Ronald Joseph Radke (born December 15, 1983) is an American singer, songwriter, entertainer, and record producer born in Las Vegas, Nevada. He is the founding member and current lead vocalist, keyboardist, and recently guitarist for the rock band Falling in Reverse, and is the former vocalist and founding member of post-hardcore band Escape the Fate.
Document 9: Randy Jackson (Zebra): Randy Jackson (born February 28, 1955) is an American rock musician from New Orleans, Louisiana, best known for his role as frontman for the band Zebra. He was born and raised in New Orleans, Louisiana, United States. In addition to his career with Zebra, he is a Long Island Music Hall of Fame inductee, a Louisiana Music Hall of Fame inductee, and has toured with Jefferson Airplane and tributes to Led Zeppelin, Pink Floyd and The Doors.
Document 10: Ronnie James Dio: Ronald James Padavona (July 10, 1942May 16, 2010), better known by his stage name Ronnie James Dio, was an American singer, songwriter, and musician. He fronted and/or founded numerous groups including Elf, Rainbow, Black Sabbath, Dio, and Heaven & Hell. He is credited with popularizing the "metal horns" hand gesture in metal culture and was known for his medieval-themed lyrics. Dio possessed a powerful versatile vocal range capable of singing both hard rock and lighter ballads.
Document 11: Toby Rand: Toby William Lloyd Rand (born 21 December 1977) is an Australian singer best known for being lead singer of rock band RAND, previous band Juke Kartel, and his appearance on "".
Document 12: Rob Halford: Robert John Arthur Halford (born 25 August 1951) is an English singer and songwriter, who is best known as the lead vocalist for the Grammy Award-winning heavy metal band Judas Priest and famed for his powerful wide-ranging voice. AllMusic says of Halford: "There have been few vocalists in the history of heavy metal whose singing style has been as influential and instantly recognizable", possessing a voice which is "able to effortlessly alternate between a throaty growl and an ear-splitting falsetto". Halford was voted number 33 in the greatest voices in rock by Planet Rock listeners in 2009. In addition to his work with Judas Priest, he has been involved with several side projects, including Fight, 2wo and Halford. In 1998, he came out as gay in an interview with MTV News.
Document 13: Randy Blythe manslaughter case: The Randy Blythe manslaughter case was a court case in the Czech Republic, stemming from a 2010 Lamb of God concert in Prague, wherein 19-year-old fan Daniel Nosek sustained head injuries leading to a coma and subsequent death. During the investigation, Czech police unsuccessfully asked United States authorities for cooperation. When the band returned to the Czech Republic for another concert two years later, its vocalist Randy Blythe was arrested, charged with causing Nosek's death, and remanded in custody for five weeks.
Document 14: The Conversation (Texas album): The Conversation is the eighth album from Scottish rock band Texas. It was released on 20 May 2013. Tracks are written mainly by Sharleen Spiteri and Johnny McElhone, with Richard Hawley and Bernard Butler as collaborators. "The Conversation" is the group's first studio album of new material since "Red Book" in 2005. Title track "The Conversation" was released as the first single from the album in April 2013, followed by up-beat Pop Rock "Detroit City", both of which received a decent amount of UK airplay, including on BBC Radio 2's playlist.
Document 15: Sharleen Spiteri: Sharleen Eugene Spiteri (born 7 November 1967) is a Scottish recording artist and songwriter from Finnieston, Glasgow, Scotland, and the lead singer of the rock band Texas. In 2013, Texas's worldwide album sales were counted at 40 million.
ground_truth: David Randall "Randy" Blythe