Each of the greek muses had a specific talent in the arts. which muse is not correctly

Is not correctly what? 

The “Arts of the Muses” were; Music, Science, Philosophy, Mathematics, Geography, Drama and especially Art

Calliope (Kalliope), meaning “beautiful-voiced”, was the Muse of Epic Poetry
Clio (Kleio), meaning “to make famous” or “celebrate”, was the Muse of History
Erato, meaning the “lovely” or “beloved”, was the Muse of Lyric Poetry
Euterpe, meaning “the giver of much delight”, was the Muse of Music who entertained the Gods on Mount Olympus
Melpomene, the meaning is a derivative of “to celebrate with dance and song”, was initially the Muse of Singing but later became the Muse of Tragedy
Polyhymnia, the meaning is a derivative of “praise” or “hymn”, was the Muse of Sacred Poetry, Sacred Hymn and Eloquence
Terpsichore (Terpsikhore), the meaning is a derivative of “delight in dancing”, was the Muse of Dance and the Dramatic Chorus
Thalia, the meaning is a derivative of “rich festivity” and “blooming”, is the Muse of Comedy and Idyllic Poetry.
Urania (Ourania), meaning “heavenly” or “of heaven”, is the Muse of Astronomy and Astronomical Writings

The linear perspective changed the quality of art because it gave art a sense of reality. it gave the illusion that the background and surroundings were actually close and/or far and a sense of depth. linear perspective change the quality of art following its birth the renaissance period as they want the art to be more realistic and they believe one way to achieve it is to use the method of linear perspective. it uses the principle of math to realistically portray space and depth in art.