Share 'Sampling music writing software'

I have Finale 97, but it's long been buried in storage along with the computer I was using it on.  I attempted to compose an opera on it, but I gave up about 50 bars in when I wanted to add an instrument, and it wouldn't let me.  I am currently writing an opera by hand, but people find it too difficult to read, especially to perform from.  I found it an extremely user-unfriendly program.  I wrote…