http://www.youtube.com/watch?v=A7qLeTg7abg 

http://www.youtube.com/watch?v=4cUbEY39soM 

http://kpopchords.tumblr.com/all 

http://www.e-chords.com/chords/g-dragon/crooked

https://www.youtube.com/watch?v=hXin7xPoO2o#t=341

http://dancingpartytime.tumblr.com/page/13  

https://www.youtube.com/watch?v=65ktiTlKEcs

http://iconosquare.com/p/786771909317472688_1167537027#/detail/786771909317472688_1167537027