The player looks very promising. Maybe i will stick to it, despites the confusion. For example, i have turned on auto-DJ, which i expect to randomly mix the music, but it still plays down the list alphabetically (sorry, i don't want to open dozens of new threads for each question).
By the way, i have tried to make a new index, started the process, but no activity for indexing visible, and the new index folder stayed empty. I guess, i have to spend a few weeks more with the player to find out things. Thanks again!