New Orleans bandleader Charles ‘Buddy’ Bolden cuts an enigmatic figure in John Akomfrah’s elegiac film
The artist’s new sound installation involving solenoids, sensors and tropical fish is surprisingly decorative
Bridget Riley’s monumental abstract paintings are as mysterious as they are mesmerising
Sound art often seems like video art’s poor relation in museums, but is its struggle for status starting to pay off?
The artist’s haunting sound sculptures and paintings address the absent figures who inspired them