Ray of light was composed for the 75th anniversary of the Royal Wind Band (De Heidegalm Berkenbos). The mining environment of Berkenbos (Heusden-Zolder, B) is a proof of what used to be one of the most flourishing industries inLimburg viz. the Mining Industry. Going down the shaft in the elevator for the first time was a sensational experience for every miner: the noise of the closing doors, the shock experienced when the lift cage started moving tofall down whizzingly into the deep at a speed ...