As quoted by Reuters news agency, Bieber seemed to bring a number of hits songs, like Baby and One Time by using a megaphone. Justin Bieber is not alone, he was seen accompanied by his bodyguards.Meanwhile, Justin Bieber's actions inevitably caused the crowd, mostly female fans. They came to office building of the Universal record label after being told Bieber via his Twitter account.
"We've been here since 10:30 a.m...We got in a taxi and came straight here after it appeared on Twitter," said one fan, Sonia O'Donnell.
However, not everyone is pleased with the action of Bieber. One of the occupant of the building which is located next to Universal's office seemed to mind and even fly the flag reads "Bieber Gome Home 'out the window.
Click this link to view photos of Bieber sings on the balcony. 
