Possible to transition seamlessly between tracks if using OT like a stem mixer?

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If you’re using stems, you have a perfect excuse to look into Biologik’s transition trick

Biologik's part transition tip

So this only works with looped audio tracks set to plays free. In the comments section to this video he says that if your pattern is made up of individual trigs you can always sample them into audio on the fly. I’m trying to work out how to achieve this, if by “on the fly” he means you can actually do it during the set as it’s going out live. So far my failed approach has been this: I have a pattern made up of individual trigs from which I wish to transition to another pattern with looped a…