Music among friends was played by Bach, Beethoven, Schubert and other famous composers. For example, home meetings in the Bach family always ended in a concert. He personally taught the children and was proud that the performance of the household could be organized.
There were several versions of the polyphon for disks from 15 to 62 cm. Some models were “ built in ” in the grandfather clock in order to save space in the living room. Others - contained several disks at the same time as CD changers. These are usually installed in public places to entertain guests.