This socially-distanced outdoor concert in Newcastle (in the UK) doesn't seem too bad. Everyone has their own 'pod'. However, it's not suitable for indoor concerts and the extra logistics might make it too impractical even for outdoor concerts.

Pic of the setup: https://dynaimage.cdn.cnn.com/cnn/q_auto,w_1100,c_fill,g_aut...

Here's a write-up of what it was like to attend:

This is what it was like to attend the UK’s first ever socially distanced gig:

https://thetab.com/uk/2020/08/14/this-is-what-it-was-like-to...