comic relief
light relief

After this beginning some light relief must have been welcome.

I have to be allowed a bit of light relief.

That made me laugh again and I was glad of the light relief.

For those who find Vienna heavy going, there is light relief only an hour away.

It would be a funny story, a bit of light relief.

I'd think anyone doing such a harrowing job probably needed a bit of light relief.

A lot of farm dogs are partial to a little light relief from their work.

That, at least, should be fun, and how she needed a little light relief!

At the same time, when you're on a beer tour, there is always light relief just around the corner.