Agreed that hyphens should be used to indicate compound words, but you're saying that "audio-like" is an intended compound word? Then it's an adjective, modifying "music"? What would that mean?
That was my initial reading and I may have just misread it as them intending it to be compound rather than an aside modifier.
Well okay, not a "compound" per se, but it's a prefix/suffix, which similarly should use hyphens.
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