[Mourningfall]

get good

Edit: But really; play files you've absolute control and consistency on, aim for the SS's. If you feel like that's not an option, focus on passing the most difficult files/maps/charts you can. More importantly enjoy yourself; play songs that appeal to your auditory palate. It's a pretty difficult game to transition to compared to most rhythm games imo, just give it time and you'll be raking it in before you know it.