I went first for the transcript [2] but you should go for the video [1].
[1] https://www.youtube.com/watch?v=_ahvzDzKdB0
[2] https://www.cs.virginia.edu/~evans/cs655/readings/steele.pdf
delightful: full of good things that give joy
resonates: sounds in a way that is like the one you also say, and if you hear both you get more joy
transcript: a way to track down stuff that you can read and you do not need to see or hear