Parts from a junk yard - Bellway by Erkki Finni

Found on YouTube:

A suite of musique concrète. Music concrète - the name given in the late 1940s by the French composer, Pierre Schaeffer, to music composed in a 'concrete' way directly onto tape, rather than in an abstract way by writing down notes on paper. (GCSE Music Dictionary by Roy Bennet)

Light painting, also known as light drawing or light graffiti is a photographic technique in which exposures are made usually at night or in a darkened room by moving a hand-held light source or by moving the camera. (Wikipedia)