Standard (EADGBE)

The cause is Ozymandian.

 The mapa sacra continent

 is sanded and bevelled,

 the land lorn and levelled

 by some unrecorded and powerful hand

(repeat sequence for all repetitions of this phrase)

 where all of the twenty thousand attending your footfall

 and the causes they died for are lost in the idling bird calls,

 and the records they left are cryptic at best,

 lost in obsolescence.

 The text will not yield, nor x ray reveal

 with any fluorescence

 where the hand of the master begins and ends.

(repeat sequence for all repetitions of this phrase)

 "It's alright,"

 and "It's all over now,"

 and boarded the plane,

 his belt unfastened;

 the boy was known to show unusual daring.

 And, called a “boy”,

 this older man confounding Tammany Hall

 (In whose employ

 King Tamanend himself preceded John’s fall).