Versions of Dol Guldur battle horn used in Hobbit.

First Video (don't age restrict this)

Timestamps:

00:00-00:06 - Version 1 (Hobbit: Desolation of Smaug)
00:06-00:11 - Version 2 (The Battle of the Five Armies)
00:11-00:17 - Version 3
00:17-00:19 - Version 4 (Extended Edition)
00:19-00:24 - Version 5
00:24-00:28 - Version 6
00:28-00:30 - Version 7 (Extended Edition)