It's not silly at all. It's pretty much the best way.
lolcubes wrote:Or you can just go play 120-140 bpm maps and alternate everything for a long time. Sounds silly but this worked for me.
Also practice, alot.
I remember thinking that I could learn slow streams by learning fast streams, but it just doesn't work like that.
It's the other way around if you wish for a respectable accuracy.
I recommend alternating http://osu.ppy.sh/b/34715 for practice