Basically, get the Troupe Leader mask from Gorman, play the song of time to go back to Dawn of the First Day, and then use Double Time travel to Dawn of the Second Day. Talk to Gorman in bed and he'll ask for a glass of milk from his two bros, so visit them sometime after noon while still...
Yeah I have all 24 now :D
A couple of them were altered somewhat either in their usefulness or manner of attainment. Suffice to say I am glad that the Troupe Leader Mask has been endowed with incredible arcane might and can now be used to powerfully open up a new quest that nets you a seventh...