Unless I'm completely mistaken, even a basic tool like quantization is dependent on the time signature. Time signatures crop up in all kinds of other things, to

Unless I'm completely mistaken, even a basic tool like quantization is dependent on the time signature. Time signatures crop up in all kinds of other things, too. More advanced arpeggiators, sequencers, delays etc. understand tempo and time signatures and MIDI timing works on this basis, too.