Question: Mick Jones and Johnny Van Zant, have which mutual occupation?

Context paragraphs:
No More Dirty Deals: No More Dirty Deals is Johnny Van Zant's début solo album.

Donnie Van Zant: Donald Newton "Donnie" Van Zant (born June 11, 1952, in Jacksonville, Florida) is an American rock vocalist/guitarist.  He is best known for being a member of the band 38 Special, from its formation in 1974 until 2013.  He is the middle of three brothers: his older brother Ronnie was the original lead singer for Lynyrd Skynyrd who died in a 1977 plane crash in Mississippi along with five other members and associates of the band; his younger brother Johnny is the current Lynyrd Skynyrd's lead singer since 1987.  Donnie and Johnny also perform together from time to time as the group Van Zant.

Mick Jones (The Clash guitarist): Michael Geoffrey "Mick" Jones (born 26 June 1955) is a British musician, singer and songwriter best known as the lead guitarist, co-lead vocalist, cofounder and songwriter for The Clash until his dismissal in 1983.  Afterwards, he formed the band Big Audio Dynamite with Don Letts.  Jones has recently played with the group Carbon/Silicon along with Tony James and has toured the world as part of the Gorillaz live band.  In late 2011, Jones collaborated with Pete Wylie and members of The Farm to form The Justice Tonight Band.

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.

Tim Pierce: Tim Pierce (born 1959 in Albuquerque) is an American session guitarist.  He has worked for many well-known artists, such as Rick Springfield, Bruce Springsteen, Bon Jovi, Johnny Van Zant, Meat Loaf, Patty Smith, Joe Cocker, Michael Jackson, Joan Armatrading, Madonna, Tina Turner, Rod Stewart, Roger Waters, Ricky Martin, Celine Dion, Eric Clapton, The Doobie Brothers, Elton John, Alice Cooper, Shakira, Carlos Santana, Ozzy Osbourne, Vasco Rossi, Eros Ramazzotti, Jovanotti, Christina Aguilera, Tracy Chapman, Johnny Hallyday, Phil Collins and The Cheetah Girls.

The Ballad of Curtis Loew: "The Ballad of Curtis Loew" is a song written by Allen Collins and Ronnie Van Zant and recorded by Lynyrd Skynyrd.  The song was first released on the band's 1974 album, "Second Helping" and again on their compilation, "The Essential Lynyrd Skynyrd" and later on "All Time Greatest Hits".  It is on many of their compilation albums and before the Lynyrd Skynyrd plane crash, was performed once live on stage.  Ed King says, "The original version of the band only played 'Curtis Loew' one time on stage.  We were playing in a basement in some hotel and thought we'd try it.  We never played it again until the Tribute Tour with Johnny Van Zant."

Johnny Van Zant: John Roy "Johnny" Van Zant (born February 27, 1959) is an American musician and the current lead vocalist of Southern rock band Lynyrd Skynyrd.  He is the younger brother of the late Lynyrd Skynyrd co-founder and former lead vocalist Ronnie Van Zant, and of the 38 Special founder, Donnie Van Zant.

Ronnie Van Zant: Ronald Wayne Van Zant (January 15, 1948 – October 20, 1977) was an American lead vocalist, primary lyricist, and a founding member of the Southern rock band Lynyrd Skynyrd.  He was the older brother of two other rock vocalists: current Lynyrd Skynyrd lead vocalist Johnny Van Zant, and Donnie Van Zant, the founder and vocalist of 38 Special.  He was the father of singer Tammy Van Zant, and cousin of musician Jimmie Van Zant.

Lynyrd Skynyrd 1991: Lynyrd Skynyrd 1991 is the sixth studio album by American Southern rock band, Lynyrd Skynyrd, and is the first album with the new members of the band - Johnny Van Zant and Randall Hall - and the first to feature Ed King since "Nuthin' Fancy", who replaced the three who had died since the band's last release - Ronnie Van Zant and Steve Gaines in the 1977 plane crash; Allen Collins in 1990 from chronic pneumonia.  This was the last album to feature drummer Artimus Pyle.

Van Zant: Van Zant is an American musical duo composed of brothers Donnie Van Zant and Johnny Van Zant.  Both are brothers of the late Ronnie Van Zant, former lead singer for the Southern rock band Lynyrd Skynyrd.  Johnny became the lead vocalist for the reunited Lynyrd Skynyrd in 1987, and Donnie was also the leader and vocalist of .38 Special.

Supporting paragraphs: Mick Jones (The Clash guitarist) Johnny Van Zant
Answer: musician