Question: Which guest backing vocalist in "Tear Down These Walls" was born in 1960?

Context articles: Avenged Sevenfold
Sakis Tolis
Carroll Thompson
Creation (American band)
Angels &amp; Airwaves
Tear Down These Walls
Sum 41
Beat Street (album)
Big on Love
Marianas Trench (band)

Avenged Sevenfold (sometimes abbreviated as A7X) is an American heavy metal band from Huntington Beach, California, formed in 1999.
 The band's current lineup consists of lead vocalist M. Shadows, rhythm guitarist and backing vocalist Zacky Vengeance, lead guitarist and backing vocalist Synyster Gates, bassist and backing vocalist Johnny Christ, and drummer Brooks Wackerman.
Athanasios "Sakis" Tolis (born June 29, 1972) is a Greek musician best known as the vocalist and guitarist of Rotting Christ.
 He is also known as Necromayhem.
 He has recently produced some of the band's albums and contributed as session keyboardist.
 Sakis also provided guest backing vocals on the track "Mocking Modesty" on the Nightrage album "Wearing a Martyr's Crown".
Carroll Thompson (born 1960) is a British lovers rock singer, best known for her work in the 1980s.
Creation was an American teen musical group from New York City.
 The band members were Sam Hellerman (drums and percussion), Raechel Rosen (lead vocals), Derek Orshan (bass, backing vocalist), Josh Shackett (rhythm guitar), and Tory Geismar (lead guitar and backing vocalist).
 Their only album, "World Without Windows," was released in November 2005 and featured guest musician Clarence "Big Man" Clemons on one of the tracks.
Angels & Airwaves is an American rock supergroup, featuring Tom DeLonge (lead vocalist, keyboardist, bassist and guitarist) and Ilan Rubin (drummer, keyboardist, guitarist, bassist and backing vocalist).
 Former members are Ryan Sinn (bassist and backing vocalist), Adam "Atom" Willard (drummer), Matt Wachter (bassist, keyboardist and backing vocalist).
 The status of David Kennedy (guitarist and keyboardist) and Eddie Breckenridge (bassist) is currently unknown.
Tear Down These Walls is the seventh solo studio album by British recording artist Billy Ocean.
 It was originally released in January 1988 by Jive and Arista as the follow-up to Ocean's critically and commercially successful 1986 album "Love Zone".
 The album's title is a reference to then-President Ronald Reagan's "tear down this wall!
!"
 speech.
 It features guest backing vocalists, including The Manhattans, Will Downing, Carroll Thompson, and Mary Cassidy, and is generally regarded as the culmination of the smoother, more adult-oriented sound of Ocean's later work.
Sum 41 is a Canadian rock band from Ajax, Ontario.
 Originally called Kaspir, the band formed in 1996 and currently consists of lead vocalist/rhythm guitarist/keyboardist Deryck Whibley, lead guitarist/backing vocalist Dave Baksh, rhythm/lead guitarist/keyboardist/backing vocalist Tom Thacker, bassist/backing vocalist Jason McCaslin and drummer Frank Zummo.
Beat Street is the seventh studio album by the Canadian pop rock band Prism.
 It was originally released in 1983 on the record label, Capitol, two years after Prism's successful album, "Small Change".
 It was the last of two Prism studio albums featuring the lead vocalist Henry Small, who had replaced Ron Tabak after his forced departure in 1981.
 It features high-profile guest backing vocalists, including the Eagles' co-lead singer Timothy B. Schmit, Toto's lead singer Bobby Kimball and Chicago's lead singer Bill Champlin.
 The album is notably the band's first album not to feature their guitarist and founding member Lindsay Mitchell.
 The album was their last recording of original material until they officially reformed in 1987–88.
 In that incarnation of the band, Small was replaced by Darcy Deutsch.
Big on Love is a song by Australian new wave rock band Models.
 It was released as a single on 18 November 1984, well ahead of the album, "Out of Mind, Out of Sight", which appeared in August the following year.
 It peaked at No. 24 on the Australian Kent Music Report Singles Chart in 1984.
 It was produced for Mushroom Records by Reggie Lucas, and was co-written by Sean Kelly, the group's lead guitarist and lead vocalist, and Lucas.
 For the single, Models line up was Kelly, James Freud on backing vocals and bass guitar, Roger Mason on keyboards, Barton Price on drums, and James Valentine on saxophone.
 They were joined on guest backing vocals by Sherine Abeyratne of Big Pig.
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.