The Turing Machine's big knob sets a continuous spectrum from random (noon) through slipping (3/9 o'clock) to locked (5 o'clock)

On the Music Thing Modular Turing Machine a single large ‘big knob’ governs looping by setting the probability that bits in the shift register flip on each clock step — i.e. how much the sequence evolves — and it is designed as a live performance control. At noon the sequence is fully random and never repeats. At 5 o’clock it locks into a repeating sequence at the current length setting. At 7 o’clock it double-locks into a loop twice that length. At 3 o’clock or 9 o’clock it ‘slips’: looping but occasionally changing a note, so the pattern mutates slowly. Because the transition from random to locked is continuous, a performer can hold a loop, release it to drift and generate new material, then re-lock whatever melody has emerged — evolving a part live without ever programming a note, trading predictability against surprise by hand.

Examples

Start at noon for an evolving generative patch; move toward 5 o’clock to lock a groove; nudge to 3 o’clock so the loop slips and slowly varies; then return to 5 o’clock to lock whichever melody has emerged.

Assessment

Where do you set the big knob to (a) hold a fixed loop, (b) let the loop mutate slowly, and (c) get a never-repeating random stream? What does 7 o’clock do differently from 5 o’clock?