How to replace the computer boot music

Every day, when you turn it off and on, you must have been tired of Windows's unchanging power on and off. You can't mute it. Therefore, in line with the principle of having both voice and personality, it is necessary to modify the system's preset switch music.
1: Select “Start →Control Panel", in the "Control Panel", click to select "Sound & Audio".
2: In the "Sounds" window that opens, switch to the "Sounds" tab and select the "Windows Login" option in the "Program Events" column. The following "Sounds" sound The default music of the system will appear in the dialog box. Click the “Browse” button to select your favorite music. At this time, you can click “Browse” button to listen to it, and if applicable, you can apply it.
3: If you want to modify the shutdown music, just select “Windows Logout” in the "Program Events" column of the second step, and then choose to change the music file.

but should be noted that the selected audio file can not be accurately identified as wav format, or else the system.
Or change music here at C:\\WINDOWS\\Media.