A programmable system for integrating signals in a musical instrument including a programmable device that is configured to create re-callable scenes, where the scenes are representations of audio signals generated by signal devices. The programmable system also includes a plurality of input/output modules to couple the signal devices and the musical instrument to the programmable device. Also included in the programmable system is a memory to store the scenes and a switch to change the combination of audio signals that go in and out of the signal path of the musical instrument by switching scenes.