NOS Alive has announced the first wave of artists for their 2022 festival, including Metallica, Imagine Dragons and Royal Blood.The Lisbon festival is aiming to return next year after it was forced to cancel both its 2020 and 2021 events due to the coronavirus pandemic.NOS Alive has confirmed this morning (June 16) that their 2022 festival – which will run from July 6-9 – will feature the likes of Metallica, Imagine Dragons and Royal Blood.Phoebe Bridgers, Faith No More, Caribou, Tom Misch,