Select the tracks you want and click "buy" and you will receive a download link to your email immediately after the payment.

1045 (Access denied for user 'topbilli'@'localhost' (using password: YES))MySQL ERROR: [Access denied for user 'topbilli'@'localhost' (using password: YES)] caused by [SELECT id, title, playtime, format, price, tracklist, filename FROM products WHERE category_id='tracks' ORDER BY sort_order DESC]
Title Time Price Format