my 2p is that a quiz should be 'immediate' - part of the fun of the 'friday fun quiz' is just that, every body tries to get the answer, first - and having been 'quizmaster' I have seen the other side, to that
A music quiz is a very difficult concept to put in that format - my suggestion is that the 'quiz file' is made available for download in a file, then a wait before answers are valid at a certain time - one answer per post, after that
- form an orderly queue...?