Alright. These might not be completely perfect, but they're pretty close, and sound good to me. Much better than what is there at least.
Paste this into the [TimingPoints] section of the .osu for each difficulty.
10784,594.059405940594,4,2,1,86,1,0
15536,588.235294117647,4,2,1,86,1,0
20241,589.68058968059,4,2,1,86,1,0
50904,591.133004926108,4,2,1,86,1,0
79278,589.68058968059,4,2,1,86,1,0
88684,588.235294117647,4,2,1,86,1,0
98112,591.133004926108,4,2,1,86,1,0
117028,588.235294117647,4,2,1,86,1,0
138204,592.592592592593,4,2,1,86,1,0
147685,589.68058968059,4,2,1,86,1,0
194859,591.133004926108,4,2,1,86,1,0
204317,592.592592592593,4,2,1,86,1,0
209057,589.68058968059,4,2,1,86,1,0
246796,594.059405940594,4,2,1,86,1,0
251548,591.133004926108,4,2,1,86,1,0
256277,589.68058968059,4,2,1,86,1,0