It's a long way to the top... if you wanna smash a bagpiping world record.

A crowd of 374 bagpipers in Melbourne's Federation Square has done just that with a tribute to rock legends AC/DC, ahead of their first Australian concert in a decade.

The piping world record had been held by a crowd of 333 pipers in the Bulgarian capital of Sophia since 2012.

But that record was ahem, blown away on Wednesday evening with a mass rendition of It's a Long Way to the Top (If You Wanna Rock 'n' Roll) - and yes, it was very, very loud.

The pipers were surrounded by a crowd of thousands packed into Federation Square to witness the world record attempt.

The classic music video for It's a Long Way to the Top (If You Wanna Rock 'n' Roll) was filmed on Swanston Street just metres away, with AC/DC on the

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