The Old Firm is a 3 piece band from The Netherlands. The members are: Hans: Vocals, accordion and acoustic guitar. Peter: Vocals, drums, box & cloggs. Maarten: Vocals, acoustic guitar and violin. What type of music do they play?: The Old Firm themselves describe their music as Celtic-Folk-Rock. They only use acoustic instruments. Together with their close harmony vocals, they’ve got a unique sound. The music is comparable with the Pogues, Waterboys,