I can also recommend William Basinski's The Disintegration Loops. https://williambasinski.bandcamp.com/album/the-disintegration-loops https://williambasinski.b

I can also recommend William Basinski's The Disintegration Loops. https://williambasinski.bandcamp.com/album/the-disintegration-loops https://williambasinski.bandcamp.com/album/the-disintegratio... The combination of noise, repetition, and minimal melody really helps me focus.