Every year in the week before Lent, Cologne descends into a state of chaos when the Carnival festival takes over the city. Fuelled by the local Kölsch brew, schnapps and joyous music, the city descends into a mad week-long celebration of life, love and the city. The music plays an integral part in the festival and Carnival bands produce one hit after another only for this occasion. Be prepared to link arms with strangers and sway to and fro to the music. It’s a lot more fun if you have heard some of the biggest hits before, even if you may struggle to even comprehend the essence of each song. Here are 15 of the songs you should know this season.