>>462 You can get those sounds at freesound.org. There is plenty of machine, highway, and big city noise there. The sounds there are also free as in freedom, so if you care about your music to be released under a free license, you can just use the Creative Commons Zero sounds, of which there is a lot.
You can get those sounds at freesound.org. There is plenty of machine, highway, and big city noise there. The sounds there are also free as in freedom, so if you care about your music to be released under a free license, you can just use the Creative Commons Zero sounds, of which there is a lot.