when i record midi track and then wav.track,why when i select mixer window is the wav.track not accessable (controls don't work)but they do on midi track. plewse help me make it work!

What software are you using? If bundled XGWorks; there are two mixers, one for midi and one for audio(click on plugins on menu bar, then sw1000xg mixer). Please read the manual next time.

DudeManCentral