Question: Tim Lambesis and Graeme Strachan, both are in the music industry?

Context paragraphs:
Total Brutal: Total Brutal is the debut full-length album by Austrian Death Machine, a project of As I Lay Dying's vocalist Tim Lambesis.  The band and record are based upon Arnold Schwarzenegger and his movies.  Tim plays all of the instruments (apart from guest solo guitar work) and performs vocals but "Ahhhnold" is billed as the vocalist.  Destroy the Runner vocalist Chad Ackerman voices all of the Schwarzenegger impersonations.  The album was released on July 22, 2008.  On the cover of the original release of the album "Machine" was spelled with two 'i's, while new pressings of the album have the spelling corrected.

Shadows Are Security: Shadows Are Security is the third album by American metalcore band As I Lay Dying.  The album was released on June 14, 2005 through Metal Blade Records, and was produced by Tim Lambesis, the band's vocalist, and Phil Sgrosso, one of the band's guitarists, along with Steve Russell.  A Limited Edition was released on June 23, 2005 with a bonus DVD of a show filmed at the Substage Club in Karlsruhe, Germany on November 28, 2004.  The CD was released again as a Special Edition on October 17, 2006 with a DVD on the making of the album and included videos of Confined, Through Struggle, and The Darkest Nights.  It also featured additional linear notes from vocalist Tim Lambesis on the concept of the record and little known facts on the making of the album.

Frail Words Collapse: Frail Words Collapse is the second studio album by American metalcore band As I Lay Dying.  The album is their first release on the record label Metal Blade Records.  Only two of the five current band-members (drummer Jordan Mancino and frontman Tim Lambesis) appeared on the album.  Two of the band's signature songs, "94 Hours" and "Forever", appear on the album.

As I Lay Dying (band): As I Lay Dying is an American metalcore band from San Diego, California.  Founded in 2000 by vocalist Tim Lambesis, the establishment of the band's first full lineup, which included drummer Jordan Mancino, occurred in 2001.  As I Lay Dying has released six albums, one split album, and two compilation albums.

The Best of Skyhooks: The Best of Skyhooks is the second compilation album released in 1979 by Australian band Skyhooks, following "The Skyhooks Tapes" in 1977.  The album was released following the departure of lead singer Graeme Strachan in late 1978.  The album peaked at number 9 in Australia.

Tim Lambesis: Timothy Peter "Tim" Lambesis (born November 21, 1980) is an American extreme metal musician, producer, and convicted felon, best known as the founding member and lead vocalist of American metalcore band As I Lay Dying.  He also had a solo/side thrash metal project in tribute to actor Arnold Schwarzenegger, Austrian Death Machine, in which he performed all the instruments.  He also formed a death metal band called Pyrithion and played guitar for Society's Finest and Point of Recognition.

Arise and Conquer: Arise & Conquer is the third full-length album by Christian metal band War of Ages.  The album was released on July 22, 2008 by Facedown Records.  The album was produced by Tim Lambesis of As I Lay Dying.  The band has released a one-minute clip of "Sleep of Prisoners" on their MySpace, as well as the song "Through the Flames".

David Dunbar (actor): David Dunbar (14 September 1886 – 7 November 1953) was an Australian film actor.  Dunbar was a prominent actor in American and British silent films, particularly in westerns, but switched to playing more minor roles after the arrival of sound.  In later years he appeared mostly in British-themed Hollywood films.  He was one of the first film actors beginning his screen career with Pathe Freres, Paris in 1910.  Previously he was an actor on the legitimate stage both in Australia, his homeland and in Britain.  On 7 March 1926 his wife Blanche was killed in a car collision in the Hollywood Hills.  He had one sister, Miriam Kathleen (Strachan) Dunbar who remained in Petersham, New South Wales.  Miriam married William Thomas Strachan, the children of that marriage being Miriam Kathleen and William James Strachan.  William James (Bill) returned from the Second World War to Australia and settled with his wife Barbara (Grant) Strachan in Sydney and later in Melbourne, Victoria, bringing up three children, Susan Marion, William Grant and Scott James Strachan.  The Strachan family included Graeme Ronald (Shirley) Strachan, a media personality and lead singer of the 1970s rock group "Skyhooks".  Miriam Kathleen married Ronald George Fordham, who perished as a prisoner of war in Malaya during the Second World War.  Miriam Kathleen died in 1944, leaving Brian Ronald and Joan Fordham.

Double Brutal: Double Brutal is the second full-length album by As I Lay Dying vocalist Tim Lambesis' parody project Austrian Death Machine.  Unlike the previous album, "Total Brutal", "Double Brutal" is a two disc effort; the first disc composed of original songs inspired by Arnold Schwarzenegger movies, and the second disc being covers of songs that can relate to Schwarzenegger movies.  Upon release, the album debuted at No. 105 on the "Billboard" 200.

Graeme Strachan: Graeme Ronald Strachan (2 January 195229 August 2001), professionally billed and known as "Shirley" Strachan or Shirl, was an Australian singer, songwriter, radio and television presenter, and carpenter.  He was the lead singer of the rock group Skyhooks (1974–1978, 1983, 1984, 1990, 1994).  While still a member of Skyhooks he had solo singles, which charted on the Kent Music Report, with cover versions of "Every Little Bit Hurts" (October 1976, No. 3) and "Tracks of My Tears" (July 1977, top 20).  After leaving Skyhooks in July 1978 he concentrated on his solo career.  He was the host of "Shirl's Neighbourhood" (1979–83), a children's TV show.  From 1993 he appeared on home renovation TV program, "Our House", as a carpenter and co-host.  At the ARIA Music Awards of 1993, Skyhooks were inducted into the ARIA Hall of Fame.  Strachan died in 2001 in a self-piloted helicopter accident.

Supporting paragraphs: Tim Lambesis Graeme Strachan
Answer: yes