However, the 24-year-old midfielder, who arrived at the Nou Camp in a £15m deal from Arsenal yesterday, has admitted that it may be difficult for him to break into Tito Vilanova's starting XI at first.
"Barcelona are the best team in the world because they have all the best players," said Song. "It's very hard to fight to get the space to play.
"I expect the team to continue winning because they are a winning team. They've won everything.
"I hope this year we will win everything. I will just try to do my job to give my best in training and when the boss gives me a chance to play I will do it."
The four trophies available to Barcelona this season are the Spanish Super Cup, the Copa del Rey, the Champions League and La Liga.