The sonata ends with a set of six variations on a simple theme.

The original interior of the building continued the simple and practical theme.

A simple theme was presented effectively and with appealing emotions by the main actors of the film.

Each show is built around a simple theme like colours, music, animals, or numbers.

The story is written entirely in rhyme, and the simple themes of daily life appeal to children.

The details of what happened on the morning of September 11 are complex, but they play out a simple theme.

Who would have thought that such a simple theme could be so versatile?

"Free to Be" is a 32-bar tune with an almost daringly simple theme.

Critics praised the video for its simple and minimalistic theme.

It was a very simple little theme, such as might be picked out on the keyboard with one finger.