The A/B Roll Octave and Loop pedal is a compact recording and overdub device designed for creative sound layering. It combines looping functionality with polyphonic sub octave processing and automatic recording features. The pedal also includes impulse response cabinet simulation for direct recording and performance use. It is intended to support experimental recording workflows inspired by classic studio techniques. The unit is suitable for home studio use, songwriting, and live performance. Its design focuses on capturing spontaneous musical ideas and layered performances in real time.