Here you can select or deselect music styles. When you click on "Practise!" later on, you will
only see pieces in those styles that you have selected. You can see the style of each piece in
the piece lists. When you move the mouse over the short style name, you get the long name.
Unfortunately the names and the categories are rather unexact.
Please keep in mind, that you will not see many nice pieces, when you deselect too much.
If you have good suggestions for the styles, please send me a mail.