Metallica stars are giving their new whiskey the full rock treatment by blasting each batch with a specially-curated playlist of the band's songs.
The heavy rockers unveiled plans to develop their own whiskey distillery earlier this year, and now they have shared the unique process each bottle of their Blackened brand will go through before arriving on store shelves.
A description of the procedure on the line's new website reads: "After the whiskeys have been combined in the black brandy casks for finishing, they're jolted back to life by the unmistakable, earth-shattering music of Metallica.
"Using our proprietary sonic enhancement system BLACK NOISE, the whiskey is pummeled by sound, causing it to seep deeper into the barrel, where it picks up additional wood flavor characteristics."
Frontman James Hetfield and his bandmates recruited Dave Pickerell, former master distiller with Maker's Mark, to mastermind Blackened, and he is using black brandy casks during the drink's "maturation phase" to infuse additional flavour.
"The result is an added apricot note that plays perfectly alongside the honey and caramel tones of the pre-finished spirit," the statement continues.
Fans have been invited to listen to the special Blackened playlist online, before the first batch launches in mid-September.