Would love it if Access implemented a step-sequencer to modulate volume (or indeed any other modulatable parameter) natively, how cool would that be.
But yes, arpeggiator in "chord" mode can fake it to an extent. LFOs for modulating volume are good, but can be repetitive.
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PS > And another thing! Will the Ti|3 have user customisable/importable wavetables?

A ribbon-controller or XY-Pad might be nice, too, please! Thanks!