Here is an interesting free mobile software application Music Stopper v1.0 for Nokia 5800 and N-97 (S60 v5 OS 9.4) which help in stopping the default music player or radio automatically after the time one wants to stop.

Many people are in habit to listen the music or radio before sleeping making your phone to behave as radio or music player. Now using this mobile apps you can stop the player the time you want. In this version the landscape bug is fixed, blue rectangle is enlarged, radio stopper function is also introduces and a new button “Hide”.

To set the counter to stop, move the pen on the bluish rectangle which act as a text box and choose a time between 1-60 minutes. Then the START button is pressed to start the counter. The Music player and the Music Stopper will stop automatically when the counter finishes.