The band’s debut album, ‘How Beautiful Life Can Be,’ is out September 24.
Their tour kicks off July 24 in Sheffield.
The Newcastle-based event will also include Gerry Cinnamon, Blossoms, Inhaler, The Lathums and more.
5,000 fans will be allowed to attend the May 2 event at the venue which normally holds 7,500 people.
Despite its relatively jaunty, anthemic nature, the new song was written during a period of "deep personal loss".
The rising quartet’s UK run includes upgraded venues.
The Island signees are already making waves in their native UK, landing on the coveted BBC Sound Of 2021 list, and NME’s 100 list of emerging artists of 2021.
The annual BBC Sound Of 2021 list highlights 10 musicians expected to take the upcoming year by storm. It has previously highlighted Yungblud, Billie Eilish, and Adele.