neumatic / pneumatic [nəˈmætɪk]
neumatic – adj. – Music of or relating to the nature of neumes (prolonged phrases or groups of notes sung to single syllables)
pneumatic – adj. & n. – adj. – 1. related to spiritual existence or spirit; 2. operated by wind, air or gas pressure; 3. a wind instrument; 4. gaseous; n. – 1. a spiritual being of a higher order; 2. a bellows or other instrument operated by air