What are sound recordings made of?

Initially sound was recorded on wax cylinders. By the end of the 1920s, however, recordings were made of a heavy, fragile shellac compound.

Producers began looking for better options and started experimenting with materials that were lighter, flexible and less fragile.

One of these experiments, Hit of the Week records, were actually made of resin coated brown paper! This lightweight, flexible, “unbreakable” composition was unique and provided a 78 rpm recording with sound equal to or better than ordinary shellac. Read More About This…