Clip frozen on - won't reset

Hi:

For no apparent reason my two tear old clip has just frozen in a track listing position - maybe a corrupt file? It won’t reset using the usual 15 second switchoff technique. Anyone got any other ideas? 

Presumably the battery will be flat before I hear anything. What happens then?

Thanks for any help.

denysm

Try holding it longer for a reset, up to 30 seconds?