Infernal is a dance-pop group from Denmark, consisting of members Lina Rafn and Paw Lagermann. They made their Danish debut in 1997 with the release of the track "Sorti de L'enfer", and went on to international chart success in the 2000s. Their most successful single to date has been "From Paris to Berlin", which charted well in many European countries throughout 2006 and 2007. In addition to the original single, an alternate version was released in the UK titled "From London to Berlin", supporting England in the 2006 Football World Cup.

A metal umlaut is a diacritic that is sometimes used gratuitously or decoratively over letters in the names of mainly hard rock or heavy metal bands—for example, those of Blue Öyster Cult, Queensrÿche, Motörhead, the Accüsed, Mötley Crüe and the parody bands Spın̈al Tap and Green Jellÿ.