I managed to record things once or twice from my keyboard. However, in Ableton 6, in preferences, when I set the audio input device to "Line (Fast Track) DX" or "Line (Fast Track) Wave" (whats the difference???),,,it says "Failed to open the audio input device"... Its frustrating because I know I've recorded before, and now its not working anymore! I have an Acer laptop, 2.5 Ghz of memory, two hard drives of 40GB each. 1.86Ghz speed. My keyboard connects to my audio interface through a black cable. Another black cable goes from there to my large speakers. A USB cable connects my interface to the computer. I would really appreciate any help that you could provide!