For a great example of some (non-live) coded music, I would recommend The Haywire Frontier by Nathan Ho [0]. The whole album was sequenced and synthesized entirely in SuperCollider with no samples, external hardware, or third-party plugins. It's really interesting and a crazy achievement, definitely worth a listen.

For live coding, Switch Angel is definitely someone I would actually go to see live, check out this video of hers [1].

[0] https://nathanho.bandcamp.com/album/haywire-frontier [1] https://youtu.be/iu5rnQkfO6M