I can practically see myself playing Mr. Sandman by The Chordettes on this! Meet the VOC-25, a rather weird little synth from our favorite mad-scientist, Love Hultén. It sports a 25-key synth that’s directly hooked to a, well, display and control board that sports 25 plastic teeth that open to sing out the notes you play on the keyboard. Inspired by a musical instrument originally created by Simone Giertz, the VOC-25 takes things to quite another level, with controls that let you fine-tune the synthesizer’s sound. Four mod-knobs below the teeth allow you to tweak the sound, while a circular display works as an oscillator, showing you the waveform. The surrealist synth comes with an Axoloti Core microcontroller board on the inside, that’s hooked to a 25-key keyboard. Notes that you play are sent to the controller board as MIDI signals, which are then converted to DC currents. These currents control individual solenoids inside the 25 plastic teeth, allowing them to open and close when you play a note. The VOC-25, as experimental as it is, is quite an ingenious toy! It lets you build your own ‘choir’ by recording RAW vocal audio samples and editing them on the fly. Gives a completely different meaning to ‘backing vocals’, doesn’t it?!