[and when i say Z4 is "best in the series," that's not just music, either; it's my favorite MM game! a bit of an unpopular opinion, but man, if you get a chance, take the time to 100-point every level to get a feel for the design; top-notch]
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http://www.youtube.com/watch?v=SBpfwpOPXNc&NR=1&feature=fvwp
I watch Planet Chasers Starlight Excellent all day, every day.