Satanic Warmaster - Live @ Hammer Open Air 16.7.2011 - YouTube
Live: Hammer Open Air – Ilmaristen metsäpirtti, Lieto 15.–16.7.2011 - Inferno.fi
Hammer Open Air 2012 at Mannin Navetta Mannintie 4 Lieto, Finland (Lieto) on 20 Jul 2012 | Last.fm
TICKETS : Hammer Open Air 2013, 2 days tickets - Primitive Reaction shop
Preview: Party San Open Air 2018 - Metal-Exposure
MEGADETH, KILLSWITCH ENGAGE, DECAPITATED And More Confirmed For Bloodstock Open Air 2023
Bosphorus Open Air Metal Fest - 21/09/2024 - Istanbul - KüçükÇiftlik Park - Turkey
File:Demolition Hammer Party.San Metal Open Air 2017 12.jpg - Wikimedia Commons
File:Demolition Hammer Party.San Metal Open Air 2017 09.jpg - Wikipedia
Hammer Open Air findet im Juli wieder statt
Alghazanth Archives : Metal-Rules.com
Hammer Open Air 2011 - Autopsy | Hammer Open Air 2011, Lieto… | Flickr
METAL HAMMER & HEAVY METAL (Greek Magazine) - Issue/No 189, September 2000 | eBay
Horna live@ Hammer Open Air 2013 - YouTube
Lamb of God and Mercyful Fate to headline Bloodstock Open Air 2022 | Metal Insider
Rockharz Open Air 2022 - 06/07/2022 (4 days) - Ballenstedt - Germany
Festival Review: Bloodstock Open Air 2015 | Echoes And Dust
IN FLAMMEN Open Air | Facebook
Metal Hammer September 2023, Wacken Open Air 2 Poster. Magazine + CD | eBay
Bloodstock Open Air 2019 — Wheel
Party.San Metal Open Air 2018 - OSMOSE PRODUCTIONS Extreme Music
Hammer Open Air Metal Festival 2010 at Ilmaristen Metsäpirtti (Lieto) on 11 Jun 2010 | Last.fm
Marduk - Hammer Open Air - 20-21 July - Lieto, Finland www.Hammeropenair.net | Facebook
