[3] The 2020 edition of NOS Alive was planned to happen between 8 and 11 July 2020, with Kendrick Lamar, Taylor Swift, Billie Eilish and The Strokes as headliners.

On 19 May 2020, the festival was cancelled due to the Portuguese government's decision to prohibit all large-scale events in the country until 30 September 2020, amid the COVID-19 pandemic.

[4] Following this cancellation, NOS Alive '21 was scheduled to take place between 7 and 10 July 2021, with all tickets bought for 2020 valid for the new dates or refunded by request.

In early May 2021, Álvaro Covões, CEO of Everything is New, expressed his doubts regarding the execution of the festival that year due to the continuing COVID-19 pandemic.

[7] The festival takes place at the Passeio Marítimo de Algés, a riverside open-area close to the limits of the city of Lisbon.

NOS Alive has a media partnership with the Portuguese public broadcaster RTP and the radio station Rádio Comercial.