«WDR 4» is a popular German radio station known for its diverse music programming, catering to a wide audience with a taste for classic hits and contemporary tunes. The station's format is a mix of pop, rock, and oldies, offering a nostalgic journey through musical eras alongside modern chart-toppers. The station also features a selection of news programs, keeping listeners informed about current events and relevant topics, as well as entertainment segments, including interviews with musicians and artists, and cultural features that delve into the world of arts and literature.

«WDR 4» broadcasts from various locations throughout Germany, providing a regional focus on local news and events. The station's dedication to providing a diverse and engaging listening experience has contributed to its popularity and established it as a prominent radio station in the German media landscape.