The singer performed the poem at an opening of an exhibiton of Beefheart's paintings
The show was recorded during Harvey's first tour since 2017
The next wave of acts join previously announced headliners Pulp and PJ Harvey at the Oslo festival
The Spanish festival has also announced the sale of single-day tickets
The festival takes place from August 9-11 next year in Helsinki.
Pulp, Lana Del Rey, The National, SZA and Troye Sivan are among acts announced for the huge 2024 instalment
She played four tracks from her new album ‘I Inside the Old Year Dying’
The xx’s Romy is also among the 16 initial acts on the line-up
The Oslo event returns next summer
"I hope to be able to give the audience an emotional, heartening and uplifting experience"