Capitalizes the first letter of each word in the selected iTunes track names, converts all other letters to lowercase. Thus, "Come as you are" becomes "Come As You Are".
Perform search-and-replace on text in your choice of tags
Drag and drop files and enter multi-edit tag info before files are added to iTunes
Change the settings of hidden iTunes preferences
Enter text for the selected tracks' Category tag
Juxtapose text in Artist tag such that "Ellington, Duke" becomes "Duke Ellington"
Increase or decrease ratings by a half-star