Harmonium was one of the most influential rock bands from Quebec. Lead vocalist and guitarist Serge Fiori met Michel Normandeau (vocals and guitar) in a theatre music meeting. Later on in 1973 they met bassist Louis Valois and became Harmonium. In November of 1973 the group performed their first air play on CHOM-FM. They played three tracks: "Pour un instant", "Un musicien parmi tant d'autres", and "Un refrain parmi tant d'autres".