A graphical element resembling an instrument amplifier having audio control parameters is displayed through a graphical user interface (GUI). An additional graphical element resembling one or more instrument effects pedals is displayed. Each instrument effects pedal has separate audio control parameters. An audio input is received from an instrument. The audio input is processed according to the audio control parameters associated with the one or more instrument effects pedals and the instrument amplifier. The audio resulting from the processing is provided as an output.