1975

• Rob Bailey and Peter Clack are fired. Phil Rudd (who played in Buster Brown alongside future Rose Tattoo, Angry Anderson) joins immediately.

• Bass player Larry Van Kriedt's return in AC/DC lasts jut a few days, then the band performs as a four-piece with Malcolm playing bass or as a five-piece with George Young on bass.

• 25: Sunbury Festival in Melbourne. Headliner Deep Purple refuse to let the band follow their performance and a fight involving roadies, the band, plus George Young against Deep Purple’s clan erupts on stage in front of 20,000 people. AC/DC eventually leaves the site without playing.

• 17: "High Voltage" released in Australia.

• 3: Second single, "Love Song (Oh Jene) / Baby Please Don’t Go", released in Australia. The B-side picks up airplay and becomes their first hit, eventually peaking at #10 on the National charts the following month.

• Mark Evans hears about the vacant bassist job in the band, passes an audition and joins after a party for the launch of the LP at the Hard Rock Cafe in Melbourne.

• First TV appearance on the very influential ABC TV show "Countdown" in Melbourne. The band plays "Baby Please Don't Go" with live vocals. Angus is dressed as "Super-Angus."

• Concerts in Melbourne where the band is by now well established, including a concert for Bangladesh at Myer Music Bowl.

• Second appearance on "Countdown" with "Baby Please Don’t Go". Bon’s appearance dressed as a schoolgirl causes an outrage.

• "Heavy Metal Nites" at the Hard Rock Cafe in Melbourne.

• Series of daytime concerts for the "Schoolkids Week" at the Hard Rock Cafe in Melbourne. Bon misses one show and Angus & Malcolm fill in on lead vocals.

• 16: The band has achieved "superstar" status in Melbourne and headlines the Festival Hall (with Stevie Wright and John Paul Young supporting). Part of the concert is filmed and a promotional video for "High Voltage" is later assembled from that footage.

• 23: Single, "High Voltage / Soul Stripper", released in Australia, which was recorded right after the first album sessions.

• "High Voltage" is certified Gold in Australia.

• The band cut their second album, "T.N.T.", at Albert Studios with Vanda & Young producing.

• Several gigs in Sydney, notably at the Bondi Lifesavers, where they become regulars.

• 8 - 17: Dates in Sydney.

• Late Aug: The plan to play a series of free concerts at Myer Melbourne store ends abruptly when 10,000 fans storm the store on the first day, tearing the place down in the process and ending the first performance after 2 numbers.

• The band plays continuously, doing up to 6 gigs per day.

• Phil Rudd breaks his thumb during a fight at the Matthew Findlers Hotel in Melbourne and is replaced by Colin Burgess for the next few gigs.

• Appearance on "Countdown."

• National Tour that will last until the end of December.

• Plans for a short promotional visit to London are scrapped. The bands keeps on playing constantly instead.

• 4: Headline concert at Festival Hall in Melbourne.

• 3 - 23: Australian Tour in ACT, NSW and Queensland.

• 8: Single, "It’s A Long Way To The Top (If You Wanna Rock ‘n’ Roll) / Can I Sit Next To You Girl", released in Australia.

• "T.N.T." album released in Australia.

• Phil Carson signs the band to a worldwide deal with Atlantic Records in London, England.

• TV show "Countdown" films the band performing "It’s A Long Way To The Top (If You Wanna Rock ‘n’ Roll)" on a flatbed truck driving through the streets of Melbourne.

• 31: New Year’s Eve gig in Adelaide.

• At the end of the year they are well established as a top band in the country and "High Voltage" is certified Triple-Gold.