How to keep Harmonix Audio Component from being Garbage Collected?

I’m trying out the new Harmonix Plugin in 5.4 and wired up the related Quartz Quick Start. I’m using a Trigger Box to allow the quantized beat to only play when the trigger is overlapped.

The logic works, the beat plays once, then the Garbage Collector culls the AudioComponent (per the error message) Meanwhile, the AudioComponent above it keeps going. If I remove the Branch, the Audio Component plays on every beat and is not collected.

Does the GC remove an Audio Component the moment it stops playing?

Since this is a blueprint, I can’t call “AddToRoot()” on the Audio Component to keep it from being garbage collected. Is there a way to keep Play on Quantize alive so the gameplay can keep interacting with it?