I've been playing DDR for quite a while now i play in Light mode (I'm not quite ready for standard yet) i can score A's in 1-3 footing songs and B-C's in 4-5 footing, anything higher then that i fail XD.
i just need to learn how to speed up more and turn and gallop songs i get A's in are (And just light)

Tugasru A
Twilite Zone RC Club remix A
True... (both virsons) A
WWW. Blondegirl A
Witch Docter A
Telephone Operator A
Destiney A
5.5.1 A
We will rock you (i use a speed mod x2) A
I do I do I do A

I have a few others but those are the ones i'm best at and i play in the arcade i don't have an at home virson (because where i am DDR: Mario Mix got discontinued >:[ )