ShiroKuro
ShiroKuro So was piano your first choice, or something else?
No, I wanted to play in an orchestra. My first choice was the clarinet. Second was french horn, but in the end I realized I wasn't that interested in playing a brass instrument and rather waited for a clarinet spot. Also, we had an old clarinet but no horn at home so my parents might have put economic aspects on it. I don't remember. I didn't think the wait would take three years though.
We had a piano at home. My mom had labeled the keys with the corresponding notes and taught me the basics of sheet music from a very early age so I knew the basics even before starting recorder. My brother who's four years older, took piano lessons for a few years. I heard him practice and he often left his method book on the music rest so I had a pretty good idea of what those lessons contained and it didn't speak to me at that age. It also felt discouraging that I couldn't reach to play the music as written. I think even the first book had chords that required a hand span of an octave which I didn't have. If we could have studied multiple instruments I might have signed up for piano lessons as well, but that was not how the system worked back then.
I think instrument rentals were available but I'm not sure. My clarinet teacher took pity on me and sold me his used top-of-the line clarinet for cheap after slightly more than a year of me struggling with my father's old instrument. Well, it was a win-win, because as teachers they received money towards new instruments every seven years so he was getting a new one for himself either way.
Cheap instruments like soprano recorders and mandolins could not be rented and were paid for in full by the families as were the method books, but I think those early group lessons might have been free of charge. Individual lessons cost a relatively small amount which also included weekly rehearsals with one of the four city-wide school orchestras, the one currently at an appropriate level for the student.
The instrumental teachers were employed by the city through the voluntary municipal music school, so not within the normal, compulsory school system. That was pretty much the only employment available for instrument teachers so it wasn't really an option to study privately for somebody else. Unless of course you happened to have a relative or acquaintance who didn't need full time income from teaching.
I don't remember any external pressure about what instrument we could choose. Still there were mostly girls in the flute section and mostly boys on trumpets according to the stereotypes. The city arranged a day where everybody could come and try all the instruments available for lessons but still most went with the most common ones (piano, guitar, trumpet, flute, clarinet, saxophone, violin etc)