Today, my minions, I offer you something particularly exquisite to you, my denizens in the Pits of Despair:
From the Hobbit (1977) Original Soundtrack the groovalicious “Down, Down to Goblin Town”:
From the Return of the King, when Frodo and Sam are mistaken for Orc soldiers, and are made to march to an orc-camp to the tune of “Where there’s a whip, there’s a way! – YouTube
War-chants of the Orcs at Helm’s Deep from Bakshi’s Lord of the Rings Part 1:
The last one is intended to relieve the agonies inflicted by the first two. I am a merciful and clement Dark Lord.
That is all!