So when I search a song on Youtube and find 2 or more videos, I test each one by one on which has the hardest stepchart out of the specimen-ic group.

e.g:
1. Dancing Queen - ABBA

Product A: [video]/watch?v=xFrGuyw1V8s[/video]
Title: ABBA - Dancing Queen
Notes: 314
Length: 3:00+ (3:52)
Complexity: [optional]

Product B: [video]/watch?v=y62OlGvC-bk[/video]
Title: Abba Dancing Queen lyrics
Notes: 320
Length: 3:00+ (3:44)
Complexity: [optional]


Which is the hardest?: B in my personal opinion.
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If you see any other video searches like this on Youtube and wanted to play them on NKD, put some other videos below. :)
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NOW HOW DO I VIDEO?
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Mod Note: Delete if there is another topic same as the topic buried through the next pages of the topic list that was earlier than the 'Video Comparison!' thread.