Instead of boogie rock and catchy tunes, they relied on creating songs with a moody feel such as "Langebro", "Fra dag til dag" and "Tremastet beton".

Lead singer Kim Larsen later jokingly referred to the song as the first Danish rap.

[citation needed] The lyrics and the music have a dark and mysterious ambience.

The album was produced by the band itself in Copenhagen and sound engineer, Freddy Hansson went to Trident Studios in London to mix it with Roy Thomas Baker.

[citation needed] The album was released on CD in 1987 with Gasolin' 2 (1972) but due to lack of space "Tremastet beton" was omitted.