I disagree.
I think you misunderstood me. I didn't say that getting a PhD in music would be no more difficult or complicated than writing a few notes on a piece of music paper. What I said was that I bet anything that getting the PhD in music (actually, in piano) did not involve spending inordinate amounts of time in the lab, and that I don't know what the heck it involves. There really is nothing judgmental in that.
I bet she spent inordinate amounts of time in front of a piano. Now, having said that, I think getting a PhD in a subject that requires field studies, control groups, massive amounts of data compiling as well as interpreting is probably a lot (a big lot) different than getting a PhD in Piano studies.
For the record, I don't think you said anything judgmental either way. Those of us on the engineering track didn't have a whole lot of respect for liberal arts majors but with the benefit of hindsight, I think it's actually a hard degree to get (English that is, not social studies of whatever weepy subject the faculty thought up). In fact, I thought of minoring in English if there even is such a thing but I was already swamped with music, engineering and electronics. Final note, although my title is an Engineer, I don't have the degree to support it although I could teach your kids music.