Thank man. stay safe and reach the top!
what he referred to as his "soul painting," Edvard Munch reveals an honest and perhaps even ugly glimpse of his inner troubles and feelings of anxiety, putting more importance on personal meaning than on technical skill or "beauty," a traditional goal of art.
The missing word and the answer is music.
James Abbott Mcneill Whistler was a leading proponent of the credo "art for art's sake". HIs revolutionary methods changed existing approaches to pastel, oil paint, etching, watercolor, and also interior design. Finding a parallel between painting and music, he entitled many of his works "harmonies", "nocturnes", and "harmonies" that emphasizes primacy of tonal harmony.