Stepmania practice

[nobunaga0700]

I want to practice those difficult parts of some songs and I usually do it in the Song Edit Mode. I hold down shift and select the part to practice (24th streams :P), then go to options and set it on C750, distant, x0.8 or x0.9 rate. The only thing that gets on my nerves are those white lines at the end of each red arrow. Is there any way to turn them off, cause it's soo annoing and I can't get used to them...
And it would be easier if I could see the combo bar - this way I'd know if I did the whole stream corectly.
Thanks for reply.

[IIImasamuneIII]

playing the same patterns over and over and over again probably isn't the best way to try to improve in stepmania, it's not like guitar hero. You play a bunch of different variety of sims so eventually you get used to the patterns and progress on to harder ones.