15 Electronic effects pedals, stomp boxes and delay, echo and modulation effects pedals for use with guitars, bass guitars, keyboards and musical instruments, replacement parts therefor and instructional manuals, sold as a unit therewith; electronic effects pedal and stomp box apparatus for use with guitars, bass guitars, keyboards and musical instruments, namely, a combination analog and digital tape delay and echo unit and replacement parts therefor and instruction manuals, sold as a unit