Spice up your chat calls with fun and free sounds. When the right words escape you, turn to the Sound blasts and the Sound tracks available within Yahoo! chat. They're fun sound options Yahoo! chat has built them right into Yahoo! Messenger. So while you're in a chat session, just click on the sounds icon to open up a world of Sound blasts to fit the moment or your mood. You can also click on the Sound tracks icon to play your own MP3 file in the background. Have a cow while you're talking in chat. There are lots of Sound blasts to choose from, and the list continues to grow. Here's some you'll find waiting to spice up your voice chat: Cow moo, Drumroll, Guitar solo, Bummer, trombone, Bomb, applause, Scream, Window breaking, Soundtrack, Burp, Bleep' "Ooooooh", Cough, laughing, and Moan.