Electronic effects pedals, stomp boxes, electronic effects rack units, namely, guitar and musical instrument effects processors and electronic sound processing and effects apparatus, namely, analog tape delay and echo units, all of the foregoing for use with musical instruments and parts therefor and instructional manuals, sold as a unit; electrical power supplies and battery replacement apparatus for providing electricity and power to electronic effects pedals, stomp boxes, electronic effects rack units and electronic effects apparatus, all of the foregoing for use with musical instruments; guitar, bass, keyboard, drum, microphone and musical instrument cables and connectors, direct signal boxes for converting high impedance signals to low impedance balanced lines, electronic signal switch boxes and electronic connectors, all for use with musical instruments and parts therefor and instructional manuals, sold as a unit