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bandstand	a raised platform, often with a cover, used for outdoor band or orchestra performances.
bass¹	the largest musical instrument with strings in the orchestra. It is played with a bow and produces low, deep tones. [1/3 definitions]
baton	a thin rod or stick used by a conductor in leading an orchestra. [1/3 definitions]
brass	(pl.) the group of players of brass instruments within an orchestra or band. [1/6 definitions]
chamber orchestra	a small orchestra that plays pieces suited to its size.
concertmaster	the leader of the first violins of an orchestra, and usu. the assistant conductor.
concerto	a piece of music for one or more solo instruments and an orchestra.
dress rehearsal	a full and uninterrupted rehearsal of a production that includes costumes, scenery, orchestra, and the like, usu. the last rehearsal before performance.
opera¹	a play in which all or most of the words are sung and the music is played by an orchestra.
oratorio	a musical composition for voices and orchestra without costumes or scenery, usu. dramatizing a biblical subject.
orchestra	the space in front of and below the stage in a theater. The orchestra is where a group of musicians plays during an opera or play. [1/3 definitions]
orchestrate	to write or arrange (music) to be played by an orchestra. [1/2 definitions]
philharmonic	of or relating to a symphony orchestra. [2/3 definitions]
pit¹	the often depressed area reserved for musicians in front of the stage in a theater; orchestra pit. [1/14 definitions]
podium	a raised platform, as for a speaker or orchestra conductor; dais.
pop concert	a concert by a symphony orchestra playing popular and light classical music. [2 definitions]
proscenium	the part of the theater or stage located between the curtain and the orchestra pit or the first row of seats. [1/3 definitions]
rhythm section	the instruments in a band or orchestra that provide the rhythmic beat, such as drums or a bass guitar.
ritornello	a section for full orchestra recurring in a concerto grosso or as the refrain of a rondo. [1/2 definitions]
section	a division of an orchestra. [1/9 definitions]
string	(pl.) musical instruments that have such cords or wires, or the orchestra members who play them. [1/12 definitions]

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