Question: What co-writer of the Ozzy Osbourne song about the Cold War died in a plane crash in 1982?

Context paragraphs:
Diary of a Madman Tour: The Diary of a Madman Tour was the second concert tour by English heavy metal vocalist Ozzy Osbourne.  It was undertaken in support of Osbourne's second album "Diary of a Madman" and covered Europe, North America, and Asia.  This was Rhoads's last tour as he died in a plane crash at a small airport in Leesburg, Florida, on March 19, 1982, during the first leg of the tour.  The band took a two-week break after his death.  Ozzy and Sharon Osbourne restarted the tour with ex-Gillan guitarist Bernie Tormé, who only performed a couple of shows before being replaced by future Night Ranger guitarist, Brad Gillis.

Crazy Train: "Crazy Train" is the first single from British heavy metal vocalist Ozzy Osbourne's debut solo album, "Blizzard of Ozz", released in 1980.  A live version of the song recorded in 1981 from the album "Tribute" was also released as a single in 1987 with an accompanying music video.  The song was written by Osbourne, Randy Rhoads and Bob Daisley.  The subject matter of the lyrics is the Cold War and the fear of annihilation that existed during this period.

Ozzy Osbourne discography: The discography of Ozzy Osbourne, an English heavy metal musician, consists of eleven studio albums, five live albums, seven compilation albums, five extended plays (EPs), 51 singles, nine video albums and 38 music videos.  After being fired from Black Sabbath in 1979, Osbourne started his solo career with a band consisting of guitarist Randy Rhoads, bassist Bob Daisley and drummer Lee Kerslake.  The group released their debut album "Blizzard of Ozz" in 1980, which reached number 7 on the UK Albums Chart, number 8 on the Canadian Albums Chart, and number 21 on the US "Billboard" 200.  Singles "Crazy Train" and "Mr Crowley" reached the top 50 of the UK Singles Chart, and the album has been certified four times platinum by the Recording Industry Association of America (RIAA).  1981's "Diary of a Madman" reached the top 20 in the UK, Canada and the US, and was certified triple platinum by the RIAA.  The album was the last to feature Daisley and Kerslake, both of whom were fired before its release and replaced by Rudy Sarzo and Tommy Aldridge, respectively, as well as the last to feature Rhoads, who died in a plane crash on 19 March 1982.

Ozzfest: Ozzfest is an annual festival tour of the United States and sometimes Europe (and for the first time Japan in 2013) featuring performances by many heavy metal and hard rock musical groups.  It was founded by Ozzy Osbourne and his wife Sharon Osbourne, both of whom also organise each yearly tour with their son Jack Osbourne.  The Ozzfest tour has featured bands of a variety of genres within heavy metal and hard rock, including alternative metal, thrash metal, industrial metal, metalcore, hardcore punk, deathcore, nu metal, death metal, post-hardcore, gothic metal and black metal.  Ozzy Osbourne and Black Sabbath have played the tour several times over the years.

Tren Loco: Tren Loco is an Argentinian heavy metal band formed in the suburban town of Grand Bourg, in Buenos Aires Province.  Their lyrics relate social issues, like "Clase trabajadora" (Working class), "Fuera de la Ley" (Outlaw) and "Lucila"; others are about political issues, such as "Pampa del Infierno" (Hell's Land) and "Nos vemos en Cutral-Co" (See you at Cutral-Co).  They also write about personal matters: "Endemoniado" (Possessed), "No me importa" (I do not care) and "A ultranza" (To the end).  The group's name is inspired by the classic Ozzy Osbourne song: "Crazy Train".

Southern by the Grace of God: Southern by the Grace of God is a live album by southern rock band Lynyrd Skynyrd, this live concert was a tribute by Lynyrd Skynyrd to the members of the band who had died in the 1977 plane crash.  The plane crash killed frontman Ronnie Van Zant, guitarist Steve Gaines, backing vocalist Cassie Gaines and road manager Dean Kilpatrick.  This is the first album produced by the band after the '77 plane crash.  The band's lineup was re-worked into a second-generation Skynyrd.  The changes include: Johnny Van Zant, younger brother of Ronnie Van Zant, taking over on vocals, Ed King, who departed the band during a 1975 tour and Randall Hall, who replaced the paralyzed Allen Collins.  The three (King, Hall along with founding member Gary Rossington) re-form the famous triple-lead guitar attack of the original band.  New background vocalists Carol Bristow and Dale Krantz-Rossington were added to take the place of the original Honkettes.

Lynyrd Skynyrd Tribute Tour: The Lynyrd Skynyrd Tribute Tour was a tour that was undertaken to pay tribute to the original band members who died in a plane crash in 1977.  The tour began in the fall of 1987, in honor of the 10-year anniversary of the plane crash.  A number of surviving members reunited for the tour.  Original members Gary Rossington, Billy Powell and Leon Wilkeson were joined by Ed King (original member who had left the band in 1975), Artimus Pyle (drummer at the time of the plane crash), Randall Hall and Johnny Van Zant.

Trust Me, I'm Dr. Ozzy: Trust Me, I'm Dr. Ozzy: Advice from Rock's Ultimate Survivor (shortened to Trust Me, I'm Dr. Ozzy) is a book by Ozzy Osbourne, vocalist of Black Sabbath and solo singer.  It is the sequel to his 2010 release "I Am Ozzy".  The book chronicles his drug abuse and survival stories about 40 years of Ozzy's drug and alcohol abuse.  It also features Osbourne's health advice.  The book was co-written by Chris Ayres, because of Osbourne's dyslexia.

Over the Mountain: "Over the Mountain" is the opening track of heavy metal musician Ozzy Osbourne's album "Diary of a Madman".  The song debuted at number 42 on the "Billboard" Top Tracks chart and reached as high as 38.  The song was written by Osbourne, Bob Daisley, Lee Kerslake and Randy Rhoads.  The song was later included on the Ozzy Osbourne compilation albums, "The Ozzman Cometh" on 11 November 1997, "The Essential Ozzy Osbourne" on 11 February 2003 and "Prince of Darkness" on 22 March 2005.  Fozzy did a cover of the song with Butch Walker on vocals and guitar.

Bark at the Moon: Bark at the Moon is the third studio album by British heavy metal vocalist Ozzy Osbourne, originally released on 15 November 1983.  The album features former Mickey Ratt and Rough Cutt guitarist Jake E. Lee, who replaced guitarist Randy Rhoads who had been killed a year earlier in a plane crash.  The album peaked at number 19 on the "Billboard" album chart and within several weeks of release was certified Gold for over 500,000 sales in the United States.  To date, it has sold over 3,000,000 copies in the US.  In the UK, it was the third of four Osbourne albums to attain Silver certification (60,000 units sold) by the British Phonographic Industry, achieving this in January 1984.  The album was remastered on CD in 1995 and again (with a different mix) in 2002.  This is the first album to feature guitarist Jake E. Lee and the only studio album to feature drummer Tommy Aldridge.

Supporting paragraphs: Ozzy Osbourne discography Crazy Train
Answer: Randy Rhoads