With future perfect (F2) you jump to a point in the future, turn round and say some action is finished then. Actually a complicated thing and cumbersome and in most cases you can express the same idea much simpler without using F2. This tense existed in Latin and it was imitated by writers.
In current English usage, muse can refer in general to a person who inspires an artist, writer, or musician.
Muse is a novel that displays a love and passion for literature by one of the most decorated members of the industry. Call it a passion project, a memoir of sorts, a love letter to beautiful writing: Galassi has been inspired by his Muse.â âSteven Petite, The Huffington Post. âFascinating . . . Muse is built around a charming premise: that an important American poet could become as famous as a pop star, a screen siren or an athlete. Here we are in the midst of fantasy, but a fantasy not far, as Galassiâs novel eloquently illustrates, from the one inhabited by people in the literature business.