Just Powerchords verse: F - F - Des - Des - As - Es - Des - As - F - F - Des - Des - As - Es - Des - As - Chorus: F - Des - As - Es Des F - Des - As - Es - F - Des - As - Es Des F - Des - As - Es - that's it. The "s" its ment as a "b". So a half step lower than without it.