Formerly known as Optimus Alive, NOS Alive is a music festival based in Lisbon, Portugal and founded in 2007.
The 2024 line-up included Arcade Fire, Smashing Pumpkins, Pearl Jam, The Breeders, Nothing But Thieves, Jessie Ware, Sum 41, Khruangbin, Black Pumas, Unknown Mortal Orchestra, Benjamin Clementine, Kenya Grace, Dua Lipa, T-Rex, Nathaniel Rateliff and the Night Sweats, Michael Kiwanuka, Floating Points, Larkin Poe and more