A cache of film material from the British singer’s Faith tour has been stored away for nearly four decades. The collection consists of thirty canisters that remained untouched for about 40 years. Its recent rediscovery offers a visual record of the artist’s performances during that era. The footage is being described as a benchmark for his live work. Analysts say the material could provide new insight into his stage presence. It highlights a rare glimpse of a celebrated tour that had not been publicly seen.