They are notable for their heavy use of the Echoplex, used primarily on vocals but on other instruments as well.
Butts's tape-loop technology was the basis for the later Echoplex, which he hadn't patented, but he received a "nominal sum" from the manufacturers.
His actual solo performance called "Albido" works with the electronic flutes and different loop gear like Repeater and Gibson Echoplex.
Echoplex |