![Compton's Solo Cello](https://toff.org.uk/wp-content/uploads/2015/11/DSC014631-683x1024.jpg)
The Solo Cello was the first foray by the John Compton organ company into the world of mixing electronic and pipe means of tone production. This electro-mechanical device was located in the organ chamber, together with its loudspeaker, and the volume regulated by the swell shutters, similar to the pipes.