Now, you can share your music with your friends from your yahoo! messenger and when you are voice call. And this might be work on Yahoo! Messenger 8.1 or 9.0. Firstly, call one of your friends, it can be PC-to-PC call or PC-to-phone. 

Once your friend received your call and you just start talking, then click the sound incon and then click the music icon. Instanlty, this will open a new window, now locate your mp3 from your hard drive. When, the mp3 file will be updated, the music will be palyed both’s background. If you think,it’s too loud, you just click on the music note icon to adjust your volue and also you can reverse to a specific point in the song and then from there the song will run smmothly and it’s really cool to listen that kinds of soft song when you talk with your favorite friends

You can enjoy with your friends, to listen up your new album collection and your friend sure enjoy it.

[via Yahoo! Messenger Blog]