The keyboard is a Yamaha P-80. It's not just a controller--it has internal sounds. It just doesn't have its own speakers (or amp), which is why it must be connected to an amplifier with speaker.
Wow! Thanks for all the advice! I just wanted to let you all know that I am reading your messages, but I just haven't had time to work on my Tascam problem. I will try all of your suggestions as soon as I get the chance!
As for the question about what the Tascam is plugged into . . . the line...
I didn't mention about the midi in going on when I played something because it's always on (it doesn't just flash). Here's another weird thing I discovered: I can go into my Cubasis recording program and not only does it "hear" the mic and keyboard, but it actually records something! I can see...
Problem with sound from Tascam US-122
Help! I've set up the Tascam US-122 as the main sound card for my computer. It's working to some extent because I can play CDs and I can hear the computer sounds. I have my keyboard plugged in (midi in, midi out, and line/guitar in R) and I have a mic...