VOA慢速英语:Indonesian Pianist, 12, Wows Jazz World

debut – n. the first time an actor, musician, athlete, etc., does something in public or for the public

play by ear – idiomatic expression : to play a song or a piece of music by ear is to play it after hearing it without looking at written music.

amazing – adj. causing great surprise or wonder

rehearsal – n. an event at which a person or group practices an activity (such as singing, dancing, or acting) in order to prepare for a public performance

jaws dropped – idiomatic expression :  If your jaw drops, you open your mouth in a way that shows you are very surprised or shocked.

take – n. a song that is recorded a scene that is filmed or at one time without stopping

intro – n. a short introduction to something (such as a performance or a musical work)

bob – v. to move up and down quickly or repeatedly

harmonic – adj. technical : of or relating to musical harmony rather than melody or rhythm

adventure – n. an exciting experience

melodic – adj. of or relating to melody

hip – adj. knowing about and following the newest styles, fashions, etc.

stratosphere – n.  the upper layer of the Earth's atmosphere that begins about 7 miles (11 kilometers) above the Earth's surface and ends about 30 miles (50 kilometers) above the Earth's surface : a very high position, level, or amount