The Cocquiel-manuscript consists of 364 compositions of (mainly) Abraham van den Kerckhoven (1618-1701). He was a Flemish organist and composer.
I selected 5 pieces out of this manuscript. I don't expect you to listen to the whole track, at least not at once ;). So pick what you think is interesting: 00:00 Fantasia in e (355) 02:47 Versus 1mi Toni, 33 versetten (157-189) 25:18 Fantasia in d (352b) 27:15 Versus 4ti Toni, 9 versetten (220-228) 34:10 Fuga in C (362)