I accidentaly typed in an extra "I", I meant Charles I.

The song in question is "lawyer's lamentation of charing-cross"

The last words are:

Now, WHIGS, I would advise you all,
'Tis what I'd have you do;
For fear the King should come again,
Pray pull down TYBURN too.

This was written in 1647 2years before the beheading. Was this a premonition of the regicide, and the predicted spot? (whether or not it actually occured there?