There are at least 6 known projects going by the name FM:
These are photos from concerts where FM played, so they may be of other bands that played the concert as well.
Ramblin' Man Fair Jul 19 - 21, 2019 Maidstone, England, United Kingdom Uploaded by David Skipworth
Graspop Metal Meeting 2019 Jun 20 - 23, 2019 Dessel, Flanders, Belgium Uploaded by Bisley
Oliver Dawson Saxon / Kingdom of Madness: Classic Magnum / Martin Barre's Jethro Tull / FM / Bon UK / Storm Warning Jan 18 - 20, 2019 Skegness, England, United Kingdom Uploaded by Jim Jones
Saxon / FM / Wayward Sons Oct 19, 2018 London, England, United Kingdom Uploaded by Camillus Dolan
Saxon / FM Oct 18, 2018 Glasgow, Scotland, United Kingdom Uploaded by Dave Massie
FM / Dare / Stone Broken Oct 1, 2016 Warrington, England, United Kingdom Uploaded by Mark Hutchinson
Heart / FM Jun 30, 2016 Manchester, England, United Kingdom Uploaded by Mark Hutchinson