Experimenting with solo playing for development of Hummonica. Using 4 virtual instruments that together make up the Second Life composition PwRHm for Avatar Orchestra Metaverse. Samples (3 - 8 seconds) tuned to harmonic series of 50 and 60 Hz; 2 instruments are sine tones, 2 instruments are field recordings from electric motors. Concept/composition/sine tones: Tina Pearson/Humming Pera. Field Recordings, processing, HUD construction: Andreas Mueller/Bingo Onomatopoeia.