piano – n. a large musical instrument with a keyboard that you play by pressing black and white keys and that produces sound when small hammers inside the piano hit steel wires

jazz – n. a type of American music with lively rhythms and melodies that are often made up by musicians as they play

modulation(s) – n. gradual movement from one system of musical tones based on a scale to another

classical – adj. relating to music in a European tradition that includes opera and symphony and that is generally considered more serious than other kinds of music

technique – n. the way that a person performs basic physical movements or skills

screen – n. the usually flat part of a television or computer monitor that shows the images or text