I did some sifting of my music library awhile back. Of Boston, I only kept the albums Boston and Don't Look Back. I chunked Third Stage, which had maybe 2 good tunes, but was a let down relative to the first two.
The style and sound of Boston was something where a little was just right, but too much would have burned it out.
I saw them at the 2nd Texxas Jam, but I missed the Don't Look Back tour with Hagar opening. I don't remember much about seeing them, but I still have the stub that says I was there. Their stage performance likely wasn't the highlight of Boston, more just the great songs and unique sound.