The “undubbed” version of Edelweiss, actually performed by Christopher Plummer rather than the silky smooth voice of Bill Lee that we have all grown up with.
"No matter how diligently I’d slugged away at my lessons, I was still untrained as a singer. To stay on a long-sustained note was, for me, akin to a drunk trying to walk the straight white line, whereas you can bet the very first cry that Julie let forth as she emerged from her mother’s womb was in perfect pitch! Listening to the playback, there was no disputing we were on separate planets. In the end, Robert Wise managed to hire someone to take care of my elongated passages, and the balance was somewhat restored."
Edelweiss is always and forever my favourite song in The Sound of Music and C. Plum can sing it all he likes.