actually use the lock free synth lol #283

Job	Run time
Windows	8m 47s
Linux (UndefinedBehaviorSanitizer)	2m 47s
macOS	8m 17s
Linux (AddressSanitizer)	6m 58s
Linux (Clang-20 RealtimeSanitizer)	2m 1s
Linux (ThreadSanitizer)	2m 47s
Linux	4m 3s
release	0s
	35m 40s

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