filtering loops..

before any one asks..i have been searching these boards for the last 3 hours...

i remember doing a tutorial that showed me how to filter a drum loop to get the bass line through on the 2000xl...

i have tried to remember how i did this and have searched extensively but cannot find the function...

please can anyone help..

go into program screen hit params the go to filters there are two resonance and freq. also if you hit open window on one of those you can control atttack,delay,and ish hope it helps