What do people think of the idea that I have read about somewhere of using the first letters of your favourite, slightly obscure song? It would be easy to remember, but doesn't contain a word found in a dictionary.
So if you remembered the old Australian folk song "Billy Brink, the Shearer", your password could be
t1wasbnoBB
or if a longer one was needed
t1wasbnoBBadfw&adfd
Surely that is difficult to guess but easy to remember.
For people too young to be familiar with the words of the old folk song they are:
BILLY BRINK
There once was a shearer by name of Bill Brink,
A devil for work and a devil for drink,
He'd shear his two hundred a day without fear
And he'd drink without stopping two gallons of beer.
When the pub opened up he was very first in
Roaring for whisky and howling for gin,
Saying, "Jimmy, my boy, I'm dying of thirst,
Whatever you've got here just give to me first."
Now Jimmy the barman who served him the rum
Hated the sight of old Billy the bum,
He came up too late, he came up too soon,
At morning, at evening, at night and at noon.
Now Jimmy the barman was cleaning the bar
With sulphuric acid locked up in a jar,
He poured him a measure into a small glass,
Saying, "After this drink you will surely say 'Pass'."'
"Well," says Billy to Jimmy, "the stuff it tastes fine.
She's a new kind of liquor or whisky or wine.
Yes, that's the stuff. Jimmy, I'm as strong as a Turk,
I'll break all the records today at my work."
Well, all that day long there was Jim at the bar,
Roaring and trembling with a terrible fear,
Too eager to argue, too anxious to fight,
For he pictured the corpse of old Bill in his sight.
But early next mom there was Bill as before,
Roaring and bawling and howling for more,
His eyeballs were singed and his whiskers deranged,
He had holes in his hide like a dog with the mange.
Said Billy to Jimmy, “She sure was fine stuff,
It made me feel well but I ain't had enough.
It started me coughing, you know I'm no liar,
And every damn cough set my whiskers on fire.”

