Backstreet Boys - If I knew then @ NYC Soundcheck June 10th 2010

Backstreet Boys soundcheck party in the Hammerstein Ballroom 2010

[@malgorzatafalasa5375]

Hahaha Brian is always crazy! Shame there are no any copies of Him to buy :P
Guys .. You are the No.1 in whole world :D

[@Pinkbunnie29]

awwww your Brian

[@610karin]

awww Brian is talking to me at around the 1:25 mark :)
thanks for posting!

[@sweetthing213]

LOL, I just realized that in this video Nick messed up the words he was singing because he was concentrating on playing the guitar. Love this song though.

[@phatfatgurl]

@bpnky u were havin a blast! That's great! That's what the show is ALL about.

[@quelfavaro]

awesome!

[@MrsAnGeLiKa1005]

Amazing! Your yt channel is really cool, thx:)