Device: Casio CZ-1 [Digital PD Synthesizer] Casio CZ-101 [Digital PD Synthesizer] Casio CZ-1000 [Digital PD Synthesizer] Casio CZ-3000 [Digital PD Synthesizer] Casio CZ-5000 [Digital PD Synthesizer/Sequencer] Casio RZ-1 [Digital Sampling Rhythm Composer]