How to shake control on w580 without holding walkman button
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.