When there are conflicts of observation, when experiments cannot be replicated, scientists may then retreat to a study of the various specific observations so as to explain the conflict, in the course of which they would make use of the concept of observation, or of some specification of that concept.
There's not a lot of precedent for weird, bald musicians in the Lower East Side making records in their bedrooms and going on to sell a lot of copies of the record. Especially if you look at the pop climate.