Yes, you CAN install it on .750. The reason not to: it will overwrite your Native sounds.txt, which will prevent the game from starting on Native. Though, you could backup and restore the file.
Furthermore, many (perhaps most) of the new sounds will go unused without a properly updated sounds.txt to point to them.
Furthermore, many (perhaps most) of the new sounds will go unused without a properly updated sounds.txt to point to them.