What are four FM radio stations?

1. BBC Radio 1: This is the most popular FM radio station in the UK, with a listenership of over 10 million people. It broadcasts a mix of music, news, and entertainment.

2. Capital FM: This is a commercial radio station that broadcasts to London and the surrounding areas. It plays a mix of pop music and chart hits.

3. Heart FM: This is another commercial radio station that broadcasts to the UK. It plays a mix of adult contemporary music, including pop, rock, and R&B.

4. Smooth Radio: This is a commercial radio station that broadcasts to the UK. It plays a mix of easy listening music, including jazz, classical, and acoustic.