Outside The Ball met up with WTA Serbian player Jelena Jankovic who says she likes to listen to Serbian music but if she could meet any musician it would be Madonna. Can she sing? Jelena says Noooooo but we think she can just fine! She discussed her favorite music with former ATP player Vince Spadea. They talked about music from Rolling Stones, Madonna, to yes the Back Street Boys! Find out which music makes her find the beat in this exclusive clip!