hi! there's lots of room for the musical historians to jump in here, but fyi, there have been a few related posts that you may be interested in:

General

• Classical Music currently has a stigma of being a luxury that the upper classes are able to enjoy. Was this always the case? - includes links to several more

• How accessible would 'classical' music have been to the contemporary lower classes?

questions on the popularity/accessibility of Mozart & Beethoven

• Was classical music ( Bach, Mozart etc ) popular among young people?

• what did it cost to go see an actual mozart opera?

• How famous were people like Mozart or Beethoven in their age?

• How did Baroque, Classical and early Romantic composers become famous without the use of recording?

• Were composers like Beethoven, Mozart, Handel, etc. famous in their own times? Or did they become famous later after their deaths?

• Would classical composers such as Beethoven go on "tour"?

• How many people would have been in attendance at a renowned "classical" composer's symphonies while the composer was still alive and composing - for instance, the premiere of Beethoven's 5th?