KontrolFreak DIY cardboard MIDI flute. Worlds first flute mouthpiece emulator?

[EDIT]: The Kontrol Freak series continues during the viral cuarantine in 2020. Join me as I make MIDI controllers under lockdown, starting here:    • DIY Pad instrument with pressure sensitive...   In "Kontrol Freak" I make a new MIDI controller in every video, then play it for a bit and record some music. This time it's a MIDI flute, made almost entirely out of recycled cardboard, featuring what is possibly the first ever flute-mouthpiece-style breath sensor, plus capacitive keys made from conductive paint. Edit: I have a more recent video where I make an improved flute mouthpiece and breath sensor:    • DIY MIDI Flute Mouthpiece (Tricking the br...