This is fairly simple, but useful. You can create an alarm clock with Windows Media Player in scheduled tasks (Task Scheduler) by programming the following into the Task Scheduler:
Step 1: Launch Task Scheduler
Start
Search
Task Scheduler
OR
Start Key +R
Run...
taskschd.msc /s
Step 2...
alarm clock
audio
computer power
configuration
dailytrigger
media player
music file
program script
repeat function
scheduled task
settings configuration
task library
task scheduler
user privileges
volume settings
wake up
windows
windows 7
windows server
xml import