That is exactly a feature I'm looking to implement eventually! I had a request for that from someone else as well, so know that you're not alone. The main thing is a)figuring out the best way to display it, and b)to do the work of inputting all the notes as common names, ie "Bb" "F#" etc, rather than the way the program automatically named the files: "A_3" where the _ represents a #... clearly not very obvious. haha
Thanks for your interest!