Question: Which Australian rock band formed in 1978 where a Scottish-born, Australian-American musician and actor performed as lead vocalist?

full_context: Document 1: Michael Hutchence: Michael Kelland John Hutchence (22 January 1960 – 22 November 1997) was an Australian musician and actor. He was a founding member, lead singer and lyricist of rock band INXS from 1977 until his death in 1997. He was a member of short-lived pop rock group Max Q and recorded solo material which was released posthumously. He acted in feature films, including "Dogs in Space" (1986), "Frankenstein Unbound" (1990) and "Limp" (1997). According to rock-music historian Ian McFarlane, "Hutchence was the archetypal rock showman. He exuded an overtly sexual, macho cool with his flowing locks, and lithe and exuberant stage movements." Hutchence won the 'Best International Artist' at the 1991 BRIT Awards with INXS winning the related group award.
Document 2: Topanga (album): Topanga is the fourth solo album by Scottish-Australian singer Colin Hay, released in December 1994. (See 1994 in music). According to Australian musicologist, Ian McFarlane, it "sold well in Canada, Germany and Brazil. In July, Hay set off on his solo Man at Work Australian tour."
Document 3: Men at Work: Men at Work were an Australian rock band best known for their 1981 hit "Down Under". Formed in 1978, their founding mainstay was Colin Hay on lead vocals; he formed the group with Jerry Speiser on drums and Ron Strykert on lead guitar. They were joined by Greg Ham on flute, saxophone, and keyboards and John Rees on bass guitar. This line-up achieved national and international success in the early 1980s. In January 1983, they were the first Australian artists to have a simultaneous No. 1 album and No. 1 single in the United States "Billboard" charts – "Business as Usual" (released on 9 November 1981) and "Down Under" (1981), respectively. With the same works, they achieved the same distinction of a simultaneous No. 1 album and No. 1 single on the Australian, New Zealand and United Kingdom charts. Their second album, "Cargo" (2 May 1983) was also No. 1 in Australia, No. 2 in New Zealand, No. 3 in the US, and No. 8 in the UK. Their third album, "Two Hearts" (3 April 1985), reached the top 20 in Australia and top 50 in the US.
Document 4: The Masters Apprentices: The Masters Apprentices (or The Masters to fans) were an Australian pop/rock band fronted by Jim Keays on lead vocals, which formed in 1965 in Adelaide, South Australia, relocated to Melbourne in February 1967 and attempted to break into the United Kingdom market from 1970, before disbanding in 1972. Their popular Australian singles are "Undecided", "Living in a Child's Dream", "5:10 Man", "Think About Tomorrow Today", "Turn Up Your Radio" and "Because I Love You". The band launched the career of bass guitarist, Glenn Wheatley, later a music industry entrepreneur and an artist talent manager for both Little River Band and John Farnham. The band reformed periodically, including in 1987–1988 and again subsequently; they were inducted into the Australian Recording Industry Association (ARIA) Hall of Fame in 1998 alongside The Angels. Both Keays, with "His Master's Voice" and Wheatley, with "Paper Paradise", wrote memoirs in 1999 which included their experiences with the band.
Document 5: Peaks &amp; Valleys: Peaks & Valleys is the third solo album by Scottish-Australian singer Colin Hay, released in 1992. Hay recorded each song in one take.
Document 6: Colin Hay: Colin James Hay (born 29 June 1953) is a Scottish-born, Australian-American musician and actor who performed as lead vocalist of the band Men at Work, and later as a solo artist.
Document 7: Jimmy Barnes: James Dixon Swan {'1': ", '2': ", '3': ", '4': "} (born 28 April 1956), better known as Jimmy Barnes, is a Scottish-Australian rock singer-songwriter. His career both as a solo performer and as the lead vocalist with the rock band Cold Chisel has made him one of the most popular and best-selling Australian music artists of all time. The combination of 14 Australian Top 40 albums for Cold Chisel and 13 charting solo albums, including nine No. 1s, gives Barnes the highest number of hit albums of any Australian artist.
Document 8: Rick Springfield: Richard Lewis Springthorpe (born 23 August 1949) is an Australian singer, instrumentalist, songwriter, actor and author, known by his stage name Rick Springfield. He was a member of the pop rock group Zoot from 1969 to 1971, then started his solo career with his début single "Speak to the Sky" reaching the top 10 in Australia in mid-1972, when he moved to the United States. He had a No. 1 hit with "Jessie's Girl" in 1981 in both Australia and the U.S., for which he received the Grammy Award for Best Male Rock Vocal Performance. He followed with four more top 10 U.S. hits, "I've Done Everything for You", "Don't Talk to Strangers", "Affair of the Heart" and "Love Somebody". Springfield's two U.S. top 10 albums are "Working Class Dog" (1981) and "Success Hasn't Spoiled Me Yet" (1982).
Document 9: Business as Usual (Men at Work album): Business as Usual is the debut album of Australian new wave band Men at Work, which was released in November 1981 in Australia, and April 1982 in the United States. It spent nine weeks at the top of the Australian Kent Music Report Albums Chart from December 1981 through to March 1982. The Australian version had a black and white cover design; overseas releases had a similar design, but in a black and yellow colour scheme. "Business as Usual" was one of the most successful albums internationally by an Australian group. It spent an unprecedented 15 weeks at No. 1 on the US "Billboard" 200 from late 1982 to early 1983; and five weeks at No. 1 in the United Kingdom Albums Chart in early 1983. "Business as Usual" was also one of the highest selling Australian albums in the early 1980s, with 6 million copies sold in the US, and 15 million sold worldwide. Surprisingly, the disc also made it to #31 on Billboard's Black Albums chart.
Document 10: Mental As Anything: Mental As Anything are an Australian new wave/pop-rock band that formed in Sydney in 1976. Its most popular line-up (which lasted from 1977-1999) was Martin Plaza (birth name Martin Murphy) on vocals and guitar; Reg Mombassa (birth name Chris O'Doherty) on lead guitar and vocals; his brother Peter "Yoga Dog" O'Doherty on bass guitar and vocals; Wayne de Lisle (birth name David Twohill) on drums; and Andrew "Greedy" Smith on vocals, keyboards and harmonica. Their original hit songs were generated by Mombassa, O'Doherty, Plaza and Smith, either individually or collectively; they also hit the Australian charts with covers of songs by Roy Orbison, Elvis Presley and Chuck Berry.
Document 11: Sherbet (band): Sherbet (aka Highway or The Sherbs) are one of the most prominent and successful Australian rock bands of the 1970s. The 'classic line-up' of Daryl Braithwaite on vocals, Tony Mitchell on bass guitar, Garth Porter on keyboards, Alan Sandow on drums, and Clive Shakespeare on guitar provided their teen-orientated pop style. In 1976 Shakespeare left and was soon replaced by Harvey James. Sherbet's biggest singles were "Summer Love" (1975) and "Howzat" (1976), both reaching number one in Australia. "Howzat" was also a top 5 hit in the United Kingdom. The band was less successful in the United States, where "Howzat" peaked at No. 61. As The Sherbs they also reached No. 61 in 1981 with "I Have the Skill". The group disbanded in 1984. Subsequent re-unions have occurred since 1998.
Document 12: Company of Strangers (Colin Hay album): Company Of Strangers is the seventh solo album by Scottish-Australian singer Colin Hay. It was released in 2002 on Hay's independent record label, Lazy Eye.
Document 13: Rockmelons: Rockmelons, often referred to as the Rockies, are an Australian Pop/Dance/R&B group formed in 1983 in Sydney. Primary members are Bryon Jones, his brother Jonathon Jones and Raymond Medhurst. They had two Australian top five hit singles in the early 1990s with "Ain't No Sunshine" and "That Word (L.O.V.E.)", both sung by Deni Hines. The associated album, "Form 1 Planet", peaked at #3 on the ARIA albums chart in 1992, and was certified platinum in Australia.
Document 14: Peter Allen (musician): Peter Allen (born Peter Richard Woolnough; 10 February 1944 – 18 June 1992) was an Australian-born singer-songwriter, musician and entertainer, known for his flamboyant stage persona and lavish costumes. His songs were made popular by many recording artists, including Elkie Brooks, Melissa Manchester and Olivia Newton-John, with one, "Arthur's Theme" by Christopher Cross, winning an Academy Award for Best Original Song in 1981. In addition to recording many albums, he enjoyed a cabaret and concert career, including appearing at the Radio City Music Hall riding a camel. His Australian patriotism song "I Still Call Australia Home", has been used extensively in advertising campaigns, and was added to the National Film and Sound Archive's Sounds of Australia registry in 2013.
Document 15: Everything I Need: "Everything I Need" is a song by the Australian group Men at Work. The song was written by Men at Work singer/guitarist Colin Hay and the recording was produced by Hay with keyboardist Greg Ham. It was released in 1985 as the lead single from their album "Two Hearts".
ground_truth: Men at Work