Does music bring people together? As the Eurovision Song Contest final nears, the BBC has banned political comments. But some think politics is what the event is all about.
BBC tells Eurovision stars to avoid politics
Controversy: UK hopeful Mae Muller has not tried to hide her political opinions. Glossary
Liverpool - A port city in northwest England, close to the border with Wales.
Eurovision Song Contest - A yearly international song competition between European countries, and recently Australia.
BBC - The British Broadcasting Corporation is the UK's national broadcaster.
LGBT+ - Lesbian, Gay, Bisexual, Transgender and other.