Wake up with music on work days (see figure):
1. Create a Power on scheduled task at 6:55 on work days;
2. Create a scheduled task to launch the Media Player with the parameter specify a music file at 7:00;
3. Create a scheduled task make the PC go into hibernation at 18:00;
4. In order to ensure your system is always in a healthy state it's better to create a task to reboot your PC periodically.