Heideroosjes (pronounced: hi-duh-rose-yes, HR in short), were a Dutch punk rock band from Horst aan de Maas. The band is known for their energetic shows (of which they've played over 1500) and songs with lyrics mostly in Dutch and English, and a few songs in German and Limburgs (a dialect spoken in the Dutch province of Limburg). The band, formed in 1989, consists of Marco Roelofs (vocals/guitar), Frank Kleuskens (guitar), Fred Houben (Bass) and Igor Hobus (percussion).