I love cool music, especially the backstreet boys(BSB)
Oh, I am a BIG fan of the Backstreet Boys!  Have you ever seen them performing live?
No,I listen to their music a lot,  mainly the unbreakable which  is the Backstreet Boys' sixth studio album. 
Unbreakable is a good album, but I missed Kevin Richardson in that one, because he left the group in 2006.  What's your favorite song?
I Want It That Way
"I Want It That Way" is a song by American boy band the Backstreet Boys. It was released on April 12, 1999, as the lead single from their third studio album, "Millennium". It was written by Max Martin and Andreas Carlsson, while Martin and Kristian Lundin produced it. The pop ballad talks about a relationship strained by matters of emotional or physical distance.
Critically, the song was met with positive reception, with many critics commending its catchiness, also
Unbreakable (Backstreet Boys album)
Unbreakable is the Backstreet Boys' sixth studio album (fifth in the US). It was released on October 24, 2007 in Japan and October 30 in the United States by Jive Records.
This was the first of two consecutive Backstreet Boys albums as a quartet without Kevin Richardson (who departed from the group in 2006 to pursue other interests rejoining in 2012 for their 2013 album "In a World Like This") and without involvement from longtime producers and friends Max Martin and Kristian