4 Promille was an Oi!-band, formed by Volker Grüner, ex-guitarist in the band Störkraft. The band split up in 2007. In the beginning 4 Promille was a solo-project by Volker Grüner, on the LP Die "Jungs von nebenan" was the first record with other members. Many lyrics are about consuming alcohol. After they got 2 records published by themselves the band signed by the Oi!-label Knock-Out Records who published another 2 records.