The first thing you noticed on entering Sung Tieu’s solo exhibition “Everything or Nothing” was the sound. It occupied the space like something physical, growing louder and louder, both drawing you in and repelling you. It was a speculative reconstruction of the sonic weapon that allegedly causes the unexplained symptoms known as Havana syndrome, reproduced for Tieu’s Moving Target Shadow Detection, 2022, a Frieze Artist Award commission. The video takes us through a meticulous 3D rendering of the Hotel Nacional de Cuba, where Havana syndrome was first recorded. We hover and float through its