Austria international of Nigerian descent David Alaba has commented on Tuesday's 4 - 0 hammering of Barcelona in the first leg semi - final match of the Champions League.<br /><br />Speaking to the official website of UEFA, David Alaba said: ''As a young player, it was obviously a great experience. <br /><br />''I try to enjoy games like this, but we haven't got much time to celebrate because we've got to do it all over again next week.<br /><br />''We played as a unit &ndash; teamwork was our greatest quality tonight. We wanted to do well and lots of things worked out for us. <br /><br />''We need to go into next week's game fully focused and make sure we keep it tight.''<br /><br />Bayern Munich will be guests to Barcelona on Wednesday, May 1 in the reverse fixture at the Nou Camp.<br /><i><br />Photo Credit: uefa.com</i><br />