PianogirlPlays sorry to hear you are in pain
You don't have to get into details because that could just trigger more emotions and possibly blame.
I think it is wonderful you are able to communicate with your daughter. You could write her thoughtful notes or even texts, but notes you get to read over and edit if needed.
I suspect you play the keyboard or piano from your name. What about recording a touching song and sending it to her. My mom likes TO EACH HIS OWN. I like a lot of the Oscar and Hammerstein musicals.
It reminds me of a sign I put on the wall when I was playing the blame game:
WHAT DID I DO RIGHT?
By focusing on that I eventual got past the what ifs and only if I...
You have a great deal to gain nurturing a relationship with your daughter.
Thanks for sharing your story.