}}London Calling is a double album released by The Clash in December 1979 in the UK, and the first week of January 1980 in the U.S. The album marked the band's critical and commercial breakthrough.Related news articles: Besides straightforward punk rock, it featured a much wider array of style than the Clash's earlier albums, with sophisticated pop songwriting that incorporates elements of rockabilly, 1960s-style pop music, lounge music, R&B, ska, rocksteady, hard rock, and regga