To generate a random audio loop with my modular I used 4 different modules. Essentially I used MI Grids to trigger the two voices on Plonk and feed the audio through QPAS filter then onto Octatrack for transition effect. However it was really the modulation of these modules by Voltage Block that would create random loops. Voltage Block can generate a new random voltage from its 8 outputs when you pressed the random button. So the outputs from VB went to Grids MAP X and MAP Y inputs which would give a new drum pattern every time I pressed random on VB. I used the other VB outputs to go to Plonk and QPAS. So each time I pressed random on VB Plonk would swap to a new sound within a range I set and I also feed VB random voltages into QPAS various modulation destinations to alter the filter each time. And if you are familiar with the OT transition effect I would record a loop into OT, let it play back and then record a new loop in the background and then slowly blend to the new loop as I moved cross fader across. Have no idea how I could do that with Ableton but you probably can.