I really doubt that if you had shitty GSCEs, that ballet or violin lessons would somehow expand your career opportunities, unless you did them to a professional level
You’d be surprised!
I didn’t do well at school, got into sixth form and took a few AS Levels and then A Levels but ultimately due to problems at home only managed to scrape a D in music. Largely because I’d been playing violin and the piano since I was a kid, so already knew the fundamentals (you can’t just choose A Level music without a background in playing an instrument/studying theory so everyone in the class had been playing since their childhood). So I left with one A Level, a D in music.
Left (sort of dropped out but did attend the exams for music), played in a band for a year while working in a chippy and then managed to scrape into a good uni to study music via clearing: my A Level was crucial, but also the grades I’d achieved were enough as a package for them to offer me a place.
Did really well and came out with a high 2:1 but no intention to ever work in the music industry.
A few years later I was able to do a Social Work MA because a combination of voluntary work over the years and having a degree, any degree, was sufficient to be accepted. Was very competitive and only one place for every eight applicants. But I got in and did really well and qualified. And then a few years later was offered further training by my employer in a therapeutic modality.
Currently earning £40k, some would say that’s not much but without music I’d be still on minimum wage. Music opened doors that were closed to me otherwise. And I’m not alone in having this kind of story.