You could also find a photo of decent resolution that has the texture you want, overlay that onto your black or dark gray background and then change the layer's transparency setting to multiply or overlay and then adjust the opacity or fill to get the look you want.

Here's a little different, but related exercise How to apply, blend or overlay a texture or pattern image to a layer in Photoshop?

There are many different ways to achieve this effect, find the one that works best for you.

You could also find a photo of decent resolution that has the texture you want, overlay that onto your black or dark gray background and then change the layer's transparency setting to multiply or overlay and then adjust the opacity or fill to get the look you want.

Here's a little different, but related exercise How to apply, blend or overlay a texture or pattern image to a layer in Photoshop?

There are many different ways to achieve this effect, find the one that works best for you.