Man with an athletic build, holding a SG guitar, wearing a black t-shirt

Create a hyperrealistic image in 4k Shot on Canon EOS R5, 85mm lens, f/1.4, ISO 400 maintaining facial features: hair, skin, and beard. From the uploaded photo, a man with an athletic build, holding a matte black SG guitar, wearing a black ACT OF HELL written t-shirt, black denim, knee-length shorts, and black sneakers, holding the guitar while playing and looking at the fretboard. A stage scene with Marshall amplifiers in a very realistic background, stage lights, and a rock concert atmosphere.