As I said in headcanon, I have no talent for writing song, but I like filking so here’s a few I believe can work in Azeroth (with the source for those who don’t have a vocal).
The Tyranny of the Sun
Sing we of rage,
In Tower and field
Of this dying age
That will not yield
Sing we of steel,
Forged in the east
As turns the wheel
And carrion feast
Sing we of empire,
For which we bled
Of flickering fire
Now all but dead
Sing we of foe,
Of victories won
And that first woe
Tyranny of the sun
Sing we of ruin,
As again we tread
West, ever pursuing
Fate writ in dread.
(https://abridged-guide-to-evil.fandom.com/wiki/The_Tyranny_of_the_Sun)
Chant of the Dead
We,
Broken spears,
Shattered shields,
Come to die.
We,
Remnant lost,
Forlorn hope,
Come to die.
We,
Carrion-feeders,
Grave-fillers,
Come to die.
We,
Ruin-children,
Stand ready,
Come to die.
(https://abridged-guide-to-evil.fandom.com/wiki/Chant_of_the_Dead)
Red the Flowers
Red the flowers, red the crown
Red this day of bleak renown
How soon they forgot Eleanor
Along every oath they swore
Red the flowers, red the wreath
Red the sword that left the sheath
Now a king lies dead on the grass
Taught the vows of princes pass
Red the flowers, red the grave
Red the biers of knights so brave
They who thrice rode and died
Under banners of olden pride
Red the flowers, red the right
Red the fires this day will light
For every slight there is a price
Ours will be long and paid twice.
(https://abridged-guide-to-evil.fandom.com/wiki/Red_The_Flowers)
Temper of Revenge
The story of two Knights, sworn to protect Quel’thalas against the Amani; one murdered in their sleep, and the other going on a quest for revenge despite the orders of their lord.
We were sworn to protect a timeless land,
Our steel pledged to greater goals,
Meant to serve what our lords deemed as good,
Part of a greater hold,
We swore lords of pledge,
With breath and tongue,
A pledge i now break with my heart,
Those beliefs now impede,
What I’m called now to do,
My allegiance is sundered apart,
My soul was torn from me this day,
Half of me lies and turn in his grave,
That shattered life I can never retrieve,
No well meaning wizard can save,
So find me a horse as red as the sun,
Find me a blade that will make their blood run,
I will ride out at dawn while the sun’s in the sky,
So the buzzards can see where the bodies will lie,
Bring me my lance, Bring my shield,
Strong as my sword is the vengeance i weild,
To seek vengeance is wrong, claims my merciful lords,
But vengeance has tempered my sword, vengeance has tempered my sword,
My companion was made to be half of me,
We were sealed with both body and soul,
What is life to a elven alone,
How can one unpartnered be whole,
He was slaughtered at night, not a warrior’s death,
All good seemed so useless and vile,
For good let my fragile world be destroyed,
My oaths by such lies were defiled,
Forgive me my lord for what I do,
Know that this sinner is suffering too,
But your virtue’s pure don’t allow what I plan,
And by Sun I’ll pay killers their due,
So find me a horse as red as the sun,
Find me a blade that will make their blood run,
I will ride out at dawn while the suns in the sky,
So the buzzards can see where the bodies will lie,
Bring me my lance, bring my shield,
Strong as my sword is the vengeance i wield,
To seek vengeance is wrong, claim my masterful lords,
But vengeance has tempered my sword, vengeance has tempered my sword.
Mourning song
I shall not mourn 'til war is done
I shall not weep while blood still runs
I’ll hold my tears when weeping comes
Who shall avenge you darling one?
I shall not mourn 'til war is done
I shall not weep while blood still runs
I’ll hold my tears when weeping comes
And I’ll avenge my darling one