Changes

A '''symphony''' is a large-scale orchestral work. The symphonic form is a [[Sonata form|sonata]] written for the full orchestra, whereas the work for one or two instruments is named a "Sonata". In a sense, a symphony is anything that a composer chooses to call by that name; but the form, as developed from about 1750 to 1950, ''typically'':

A '''symphony''' is a large-scale orchestral work. The symphonic form is a [[Sonata form|sonata]] written for the full orchestra, whereas the work for one or two instruments is named a "Sonata". In a sense, a symphony is anything that a composer chooses to call by that name; but the form, as developed from about 1750 to 1950, ''typically'':

*is played by an orchestra of fifty to a hundred musicians, including sections of strings (violin, viola, cello, bass), woodwinds (clarinet, oboe, bassoon, flute, piccolo), brass (French horns, trumpets, trombones, tuba), percussion (tympani, other drums, cymbals, triangle). The instrumental sections are more or less coequal and have conversations or dialogues with each other, as contrasted with a ''concerto,'' in which a solo instrument conducts a dialogue with the rest of the orchestra

*is played by an orchestra of fifty to a hundred musicians, including sections of strings (violin, viola, cello, bass), woodwinds (clarinet, oboe, bassoon, flute, piccolo), brass (French horns, trumpets, trombones, tuba), percussion (tympani, other drums, cymbals, triangle). The instrumental sections are more or less coequal and have conversations or dialogues with each other, as contrasted with a ''concerto,'' in which a solo instrument conducts a dialogue with the rest of the orchestra

*lasts about twenty to ninety minutes<ref>The compact disc originally had a maximum playing time of 74 minutes. A story holds that the size of the disc was influenced by the wish that Beethoven's Ninth Symphony fit onto a single disc. Sony's then-president Norio Ohga was a devotee of classical music and a friend of conductor Herbert von Karajan. Urban legends investigators seem to conclude that it's not quite as simple as that but that the story does have some truth to it; e.g. [http://www.snopes2.com/music/media/cdlength.htm CD length], Snopes.</ref>

*lasts about twenty to ninety minutes<ref>The compact disc originally had a maximum playing time of 74 minutes. A story holds that the size of the disc was influenced by the wish that Beethoven's Ninth Symphony fit onto a single disc. Sony's then-president Norio Ohga was a devotee of classical music and a friend of conductor [[Herbert von Karajan]]. Urban legends investigators seem to conclude that it's not quite as simple as that but that the story does have some truth to it; e.g. [http://www.snopes2.com/music/media/cdlength.htm CD length], Snopes.</ref>

*has a detectable structure to it; it is not simply a long medley of tunes. The pattern of key changes and recurring themes are often described as taking the listener on a musical journey.

*has a detectable structure to it; it is not simply a long medley of tunes. The pattern of key changes and recurring themes are often described as taking the listener on a musical journey.

*is usually "absolute music," without a specific story line to it (unlike "program music," such as Rimsky-Korsakov's ''Scheherazade'' or Smetana's ''Ma Vlast'')

*is usually "absolute music," without a specific story line to it (unlike "program music," such as Rimsky-Korsakov's ''Scheherazade'' or Smetana's ''Ma Vlast'')