This one is one I put music to... by Walt Whitman. I know,... it's a bit HEAVY,... But it was glamorized by the movie The Dead Poet's Society ala Robin Williams...

O Captain! my Captain! our fearful trip is done,
The ship has weathered every rack, the prize we've sought is won,
The port is near, the bells I hear, the people all exulting,
While follow eyes the steady keel, the vessel grim and daring;

But O heart! heart! heart!
O the bleeding drops of red,
Where on the deck my Captain lies,
Fallen cold and dead.

O Captain! my Captain! rise up and hear the bells;
Rise up-for you the flag is flung-for you the bugle trills,
For you bouquets and ribboned wreaths-for you the shores a-crouding,
For you they call, the swaying mass, their eager faces turning;

Here Captain! dear father!
This arm beneath your head!
Is it some dream that on the deck,
You've fallen cold and dead.

My Captain does not answer, his lips are pale and still,
My father does not feel my arm, he has no pulse or will,
The ship is anchored safe and sound, its voyage closed and done,
From fearful trip the victor ship comes in with object won;

Exult O shores, and ring O bells!
But I with mournful tread,
Walk the deck my Captain lies,
Fallen cold and dead.
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One of my favorie songs ever is one I call "Make way for the young". It is a song of passing generations of men, and I got it from MaCleod & Holdstock. I'll hunt the words for ya if you like.