Busking in Luxembourg - Can you tell what went wrong in the slide solo?

‘Howl at the Moon’ is an original Markus K song. At this moment, it is only available on the beautifully produced wooden USB stick: https://markus-k.bandcamp.com/merch/u... This is the first video produced entirely using footage from the Insta360, making full use of the ability to show people’s response from all angles. What do you think?