Time to vote for these fine battery powered tracks. Let's keep voting open for a week and tally them up next Wednesday night. I'm not creating a poll this time, instead robbing voters of their anonymity and requiring a shout out to your winner in a comment. Good luck!
(misnaps) OP-1, camera, power drill
(neenenee) OP-1, PO12, PO14, PO16
OP-1, Volca Beats, Volca Keys
OP-1, Casio VL-1, Homemade PWM oscillator, kit distortion pedal
OP-1, Stylophone 2, Numark PT-01usb +vinyl, PO12, Volca Sample
(Lenny Timons) OP-1, Volca Bass, Monotribe, CasioVL-1, Casio Mt-540, Texas Instruments Speak and Math
OP-1, PO12, Mini Kaossilator, acoustic guitar