Can't play music

What apps? What do you do? What happens? Any messages? Etc., etc., etc.

any free app are ok to download. It saids unable to donload song/film at this time

Try this:

1. Close all inactive apps. Double-click the Home button and hold apps in the Task Bar down until they all wiggle then tap the minus sign to close apps. Tap the home button to return to Home screen.

2. Hold the Sleep/Wake and Home button down until you see the Apple Logo.