It is a feature in BIAB now.--- FILTERS--- A-- Right click the radio button of choice,and select assign real track, bottom left corner of page-Example = type (sax tenor),click update. A list of tenor sax's appear on screen. Select one, then click gererate track. Give it time to generate. OR-near the top of the page select(Audition WMA) before you generate the track. This is a real time saver. You can listen before you commit. B- If you have 2011.5. Look in the onboard mixer, right click the inst. of choice, a list of inst's. appear. Near the top of the box type the name of inst. you want and click enter. Same results as the formentioned example. Except-- no audition feature using the Mixer e.l.c.