Iris Dement's My Life album, which includes her devastating song "No Time To Cry" (covered by a big admirers of hers---Merle Haggard).
Anything by J.S. Bach. To have your DNA permanently altered, listen to a good recording of his Concerto For 4 Harpsichords And Orchestra. Make it the last thing you play that day, as it will spoil you for anything that follows.