hi,favorite music

hi every1.this is all my favorite music link:

down down: https://www.youtube.com/watch?v=m34xyw8E-Qs

stronger: https://www.youtube.com/watch?v=3jzSh_MLNcY

hearts burst into fire: https://www.youtube.com/watch?v=F5CnRr_nzc8

right round: https://www.youtube.com/watch?v=Re2FQZK54oA

let it rock: https://www.youtube.com/watch?v=dh3gGQfyVyw

welcome to the world: https://www.youtube.com/watch?v=V0e7XijbC1s

sexy chick(chick is the most appropriate word): https://www.youtube.com/watch?v=N9hazmsUxrM

boom boom pow:http: https://www.youtube.com/watch?v=9F444CELomo

gotta feeling:http: https://www.youtube.com/watch?v=eCyJmczllvw

in the end:http: https://www.youtube.com/watch?v=5AWbgkRpYwc

wath i've done: https://www.youtube.com/watch?v=NC0U_zoOQKI&feature=related

numb: https://www.youtube.com/watch?v=lIkYqhv7Iv4&feature=related