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The band made the donation through its All Within My Hands non-profit foundation.
The film will now be returning for one more night in cinemas worldwide on 30 October.
It's become a tradition for Metallica to pay tribute to artists who come from the cities or the countries they are playing in.
The metal titans donated to Dublin's Capuchin day centre which helps provide for homeless people and the ISPCC for children.
The concert at Estadio Bicentenario de La Florida is being billed as Slayer's final performance in frontman Tom Araya's native country.
The film, which is directed by Adam Dubin, is set to premiere on 20 April at AMC Kabuki 8 in San Francisco.
The special, one-off event is to mark the 20th anniversary of the metal titans' 1999 live LP, 'S&M.'
The seventh annual Metallica night with baseball’s San Francisco Giants will take place on 26 April.
The bassist and vocalist immersed himself in completing his book after his band announced they were retiring from the road.
New 400-page opus documents the Rush star’s collection of bass guitars and the history behind them.
The prestigious award has been referred to as the “Nobel Prize for music”.
