Get Acid Pro.
Beatmap the songs.
Decide it's a silly idea when the songs clash horribly.
Give up.
( Edd: The Unfunny Try-Hard Edgelord, Fri 15 May 2009, 16:45, archived)

I use Acid Pro.
It's good.
( Edd: The Unfunny Try-Hard Edgelord, Fri 15 May 2009, 16:48, archived)

I play that in my car all the time

( moohalaa, Fri 15 May 2009, 16:51, archived)

:D

( Edd: The Unfunny Try-Hard Edgelord, Fri 15 May 2009, 16:53, archived)

Nice
Same here
( wotofco pissing in your swimming pool, Fri 15 May 2009, 16:54, archived)