How can one define a piece as being life changing? There are some pieces which are extremely close to my heart, yet I'd be reluctant to say any of them truly "changed my life".
It's difficult to define in words, of course, yet for me there is a definite difference between recordings and performers and pieces that I enjoy and even love, and then those who have actually changed my life (yet I may love these, too).
Hearing them do what? Speak? Play the banjo?
Horowitz playing the banjo would have changed my life.
Hearing them "performing either Opus Archimagicum or Sequentia Cyclica", as I implied
You did not.
missing dash
Igor Markevitch conducting Stravinsky's The Rite of Spring