Thank you so much for that answer!!! I saw it not grayed out then it grayed out on me for not apparent reason. I made a note of this in my user guide.

Thank you again!!!!!

Hi, I just logged on for my second time and was browsing the tutorials. Interval singing was highlighted like the other icons then it just disappeared/un-highlighted it's self. It is still in the help section and there is an explanation of it but it has closed to me clicking on it. This is one of th...