Liar footage from the first Brussels gig?

We can now rule out Munich thanks to Darren1379 :

Interestingly, Munich, despite only having one bass drum mic and not matching the footage, has the same extra mic seen in the footage, and the usual one (as seen below in Helsinki) is missing entirely, unlike the TV footage:

No EU SHA shows apart from Munich and the TV show Liar have any variation on this bass drum micing setup, and the setup was back to normal by Hamburg on the 5th:

Freddie also started wearing a different belt later in the leg (its earliest photographed appearance is The Hague), so it's certainly no later than those Germany dates:

Between all of these factors (and in case of Cologne, circulating audio), we can discount the possibility of this footage coming from (in terms of Mainland Europe dates): Helsinki, Lund, Munich, Hamburg, Cologne, The Hague, Brussels, and Barcelona.

The only mainland Europe shows unaccounted for at this point are Gothenburg and Frankfurt.

Both of these dates have no photos, but we can of course compare using photos of the venue.

From what little one can see of the venue from the footage, there is a balcony directly above the band, as seen here in the upper right:

This would be highly unusual for a place like the Konserthuset in Gothenburg, so we can rule that out:

This brings our attention to Frankfurt, which took place in a peculiar venue. As clarified by advertising, ticket stubs and digging through the Internet, the concert took place in the Gesellschaftshaus of the Palmengarten in Frankfurt, as seen here:

The venue is very distinct in that there's a balcony directly above where the stage would be, similar to what's seen in the footage.

Especially considering the one-off micing setup, as seen here:

The mic on the left is seemingly the same one seen at Munich (which is otherwise nowhere to be seen on this tour), and the one on the right is the usual drum mic, in addition to the venue seemingly matching, it seems probable that this footage is Frankfurt.