Is there even documented information about this?
Not really, no.
You're coming at this question from an understandable assumption that is fundamentally incorrect - that music was as ubiquitous in the past as it is now. Whereas the reality is that unless you were very wealthy, you could go your entire life without ever hearing music other than in church, or music you made yourself.
We see music as this commonplace piece of background that is in every elevator, shopping mall and bathroom, but music used to be a pleasure of the upper classes. Musicians who toured (which did happen, but was rare), would perform in private homes for wealthy nobility who would hire them for the evening, or for a month, or even for years, and invite their friends over. You would also arrange for their transport, lodgings and expenses while they were performing for you. They would also most likely be composers who you could commission pieces from and have them performed for you or your guests. There was little to nothing in terms of the travelling show we see in music today, where the musician or booking agent pays for the venue and puts on a show. Music venues in the past were almost exclusively in private hands, and most people couldn't afford to go to them. So the short answer is, when you're a poor musician and a wealthy patron tells you to perform, you perform.