How to shake control on w580 without holding walkman button
http://www.youtube.com/watch?v=mac9pMNc_0A
If you have Sony Ericsson w580i, you can do this.
Turn on phone,
Then press WALKMAN button (W),
Press DOWN button (v),
2x press RIGHT button (>),
And then again press WALKMAN button (W) on your Sony Ericsson w580i.
It looks like this: w, v, >, >, w and you can shake it to change song.