Write It Down
If you don't want to forget it, write it down. How many times have we heard that statement? It's good advice for a lot of things. For buying groceries, for example -- so you don't go to the store to get one important item, get distracted by those other things you see that you really should pick up, then make your purchases, get home, and find . . . you forgot that one thing you meant to get. I have also found, as a musician/teacher who loves to compose, that it's a great idea