The Annals quote a verse supposedly composed by Áed Allán on the day of battle:

A long Life of St. Maurus appeared in the late 9th century, supposedly composed by one of St. Maurus's 6th-century contemporaries.

An atom is supposedly composed of a core with energy particles in it, some of them positively charged, some of them not charged at all.

The so-called "invisible map" is supposedly composed of 7 pieces, some of which are: a tattoo, a scrap of parchment, a poem and a birthmark.

The Scottish border ballad The Bonny Earl of Murray is supposedly composed in the tradition of the coronach.

However, much of this poetry was supposedly composed in the Hen Ogledd, raising further questions about the dating of the material and language in which it was originally composed.

In 1763, a pornographic poem supposedly composed by John Wilkes surfaced.

There's a basement piano bar where Gershwin supposedly composed An American in Paris and, for the peckish, old-school hot dogs (€6) and generous club sandwiches.

Furthermore, cosmological experiments also suggest the existence of dark matter, supposedly composed of fundamental particles outside the scheme of the standard model.