Conversation so far:
where does scotty doesn't know come from
Scotty Doesn't Know is a song written and performed by the American rock band Lustra, originally written for the 2004 film EuroTrip.
when does scotty doesn't know play in EuroTrip
In EuroTrip, the band performs the song at a party Scotty is attending and is praised by many characters in the film as being catchy.
did the song scotty doesn't know become popular in EuroTrip
By the end of EuroTrip, Scotty Doesn't Know has become so widespread and popular that Scotty's best friend Cooper is able to use it as his cell phone ring tone.
did the song scotty doesn't know chart
Scotty Doesn't Know peaked at #53 on the U.S. Billboard Pop chart, #39 on the Digital Songs chart and at #75 on the Hot 100.

Question: how did the song become famous in australia
Self-contained rewrite: how did the song scotty doesn't know become famous in australia