I have attempted to make quartz quantization events for a rhythm game via blueprints in 4.27.2 and can’t make it to work with quantization event, so far all I got is that checking “Use Audio Engine Clock Manager” on Create New Clock node makes PlayQuantized unable to play the sound (as in the queue event fires off and nothing happens afterwards) 
I’d tag this question as bug report, but I always try assuming the fault is at my side, hence I’m asking for a simplest possible solution since this https://i.postimg.cc/YSZqYQwx/bp-quartz.png is the best I got so far and it can play the sound but the delegated event is never fired off despite the Subscribe to All Quantization Events Node, and this is why I wanted to use Quartz in the first place instead of writing my own manager, so if anyone knows the answer how to make the simplest BP metronome event that works in 4.27.2, I’d really appreciate it.
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I’m using 5.1, but I think it should be the same for your version. You just need to set your BPM and then start the clock. Then you should be good.
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Thank you, I sort of expected clock would be fired off on PlayQuantized, but that actually solves the problem I think.