Allegro is the Italian term which describes the mood of a piece of music as happy. The pronunciation will be "al-LEY-gro" in Italian.
dolce
rhapsodic
True
Crescendo
in musical terms it is Ossia - intoducing an alternative in a piece of music
banjo
Spaccanapoli-Vesuvio
"Playing by ear" describes the ability of a musician to to reproduce a piece of music without having observed another musician playing the piece.
The term is "programmatic" music, where the piece, without text or lyrics, describes a scene or story.
Musical form is the structure or plan of a piece of music it describes the layout of a composition divided into sections.
Literally translated, "divertimenti" in Italian means "entertainment" in English. The word generally refers to a piece of music that has several different parts.
The root word "vivace" in music, derived from Italian, means lively or briskly. It is used to instruct musicians to perform a piece of music in a lively and spirited manner.