2 tracce audio royalty-free per "Provetta"

Most beautyful sound we have ever shot,an explosion of a test tube containing magnesium metal and copper ii oxide,it made a lot of damage to my bench but it was worth it !check out the clip here -> link <-- the chemical workshop.

Recorded at children science exhibition at shibuya city hall. Metal objects in a test tubes jumps when coil under them have electrical current. Multiple test tube tuned to produce a melody. Raw, unedited, low pass filter on, tascam dr-40.