Found it now lol it was the RED little play icon. How artsy.

1 rocks (which I have on vinyl I think).
2,3,4 all too jolly for me.
5 futuristic, nice.
6 I like how nothing comes in like you would expect it do. This is Boss' best quality in my opinion, very inventive.
7,8 a bit too easy for your skills.
9 Best Of Bratislava 2002 ;)