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Home›Music history and listening

The orchestra

A full symphony orchestra can put more than 100 players on one stage. Walk around a 3D stage, pick any instrument to hear an approximate synthesized tone and see its range on a keyboard, then build up a famous tune family by family. Seven units cover the history, the four instrument families, the conductor and score, and how to listen.

Progress

About this course

A full symphony orchestra can put more than 100 players on one stage. This course lets you walk around a 3D stage, pick any instrument to hear an approximate synthesized tone and see its range on a keyboard, then build up a famous tune family by family. The tune is Ode to Joy, played first by the violins over cellos and basses. Add the woodwinds and the flute doubles it an octave higher, the oboe plays it at the same pitch and the clarinet an octave lower.

The seven units are a short history of the orchestra, the string section, woodwinds, brass, percussion, the conductor and the score, and how to listen. In the Classical period the orchestra of Haydn and Mozart was still fairly small. In the finale of his Fifth Symphony, finished in 1808, Beethoven added three trombones, a piccolo and a contrabassoon. The string names tell you their sizes: a violin is a little viola, and violoncello, shortened to cello, means a small big viola. A B♭ trumpet plays from about E3 up to C6, and the trombone's slide has seven standard positions. In Classical music the timpani usually played two notes, the keynote and the fifth, which in D major are D and A.

The conductor unit gives the beat patterns. The first beat of every bar, the downbeat, always goes straight down. In 2/4 the stick goes down, then up. In 3/4 it goes down, out to the right, then up. In 4/4 it goes down, left toward the heart, right, then up.

Before you start

Listening for which instrument carries a tune helps more here than following every line of a score. The course introduces the families and their sounds before discussing the conductor. On the stage you can select an instrument, hear an approximate synthesized tone and compare its range on a keyboard.

When you finish

You can group orchestral instruments into strings, woodwinds, brass and percussion, and explain why a metal flute is still a woodwind. You can compare ranges on the keyboard, describe how a conductor follows a full score, and track the Ode to Joy melody as it passes from low strings through the orchestra.

  1. 1A short history of the orchestraIn 1607 Monteverdi wrote the instruments he wanted into the score of his opera L’Orfeo, an early step toward the orchestra we know.
  2. 2The string sectionMore than half of the players in a symphony orchestra usually sit in the string section, and the first violins are closest to the audience.
  3. 3WoodwindsThe modern flute is made of metal but still counts as a woodwind, because what matters is how the sound starts, not what the tube is made of.
  4. 4BrassA brass player makes the sound with the lips, buzzing them into a cup-shaped mouthpiece like a soft raspberry.
  5. 5PercussionTimpani are drums that play real pitches: a set of four covers roughly D2 to A3, and a pedal retunes each drum while the music goes on.
  6. 6The conductor and the scoreA full score stacks every part on one page, so a conductor reading a big symphony may follow twenty or more lines at once.
  7. 7How to listen to an orchestraIn the last movement of Beethoven’s Ninth, the “Ode to Joy” tune starts quietly in the low strings and is passed upward until the whole orchestra plays it.

Related courses

  • Reading notes · Music theory
    Learn to read pitches on the staff: treble clef, bass clef, ledger lines, the grand staff, sharps and flats, and the different names musicians use for the same notes. Every unit has a staff quiz or a keyboard you can play.
  • Piano first steps · Play an instrument
    Find your way around the keyboard, learn the names of the white keys, place your right hand, and play your first melody on the keyboard below. A mouse, a touchscreen, or your computer keys all work.
  • Perspective drawing · Drawing
    Every perspective drawing is a picture traced on an imaginary sheet of glass between your eye and the world. Walk round a 3D room with an eye point and a glass picture plane, switch between one-point, two-point and three-point views, raise your eye height and watch the horizon and the vanishing points move.
  • Color theory · Color and design
    Every colour on a screen is three numbers. This course builds the RGB cube and the HSL cylinder in 3D, shows how complementary and triadic colours sit on the hue circle, mixes light and ink, and computes the WCAG contrast ratio that decides whether text can be read.
Sources for this course (20)
  • Wikipedia "Orchestra" (en.wikipedia.org/wiki/Orchestra)
  • sizes 70 to over 100, chamber orchestra up to about 50, Wagner and Mahler up to 120, Corelli in Rome 35 to 80 (150 on special occasions)
  • Baroque leadership by concertmaster or continuo player, Beethoven's paired winds, valves by Stolzel and Bluhmel 1815, Boehm, Sax, Berlioz treatise, concertmaster duties and seat, oboe tuning convention
  • Wikipedia "Les Vingt-quatre Violons du Roi" (1626 to 1761, 6+4+4+4+6, combined with the Grande Ecurie winds under Lully)
  • Kennedy Center "L'Orfeo" (1607)
  • Phoenix Symphony "History of the Orchestra" PDF (Monteverdi specified instruments in the score)
  • Eastman School of Music, Beethoven Symphony Basics, Symphony No. 5 (1808, trombones and piccolo in the finale; esm.rochester.edu/beethoven/symphony-no-5)
  • Encyclopedia.com and Classic FM on Lully's death after striking his foot with a conducting staff during a Te Deum (1687)
  • Merriam-Webster and Etymonline "orchestra" (Greek orkhestra, from orkheisthai "to dance"; musicians sense by 1720)
  • Wikipedia "Violin family" (names, tunings, fifth and octave relations)
  • Philharmonia Orchestra instrument guide "Harp" and Wikipedia "Pedal harp" (47 strings, 7 pedals)
  • flutehistory.com "Boehm-system flutes" (1847 cylindrical metal flute)
  • Britannica and Wikipedia "Johann Christoph Denner" (clarinet c. 1690 to 1700, Nuremberg)
  • woodwind.org and music.stackexchange discussion of the clarinet overblowing a twelfth
  • orchestralibrary.com range tables (tuba D1 to F4, modern tuba 1835, trombone E2 to F5, timpani sizes)
  • compositionteaching.com Orchestral Instrument Range Chart (concert-pitch ranges)
  • HyperPhysics "Playing Ranges of Instruments", "Composition of the Orchestra" and "Formant Frequencies" (hyperphysics.phy-astr.gsu.edu/hbase/Music/orchins.html)
  • Wikipedia "Concert pitch" (A440 recommended 1939, ISO 1955, ISO 16 in 1975; many orchestras 440 to 444)
  • Wikipedia "Symphony No. 94 (Haydn)" (composed 1791, premiere 23 March 1792, Hanover Square Rooms, London)
  • French Wikipedia "Symphonie fantastique" (1830, Salle du Conservatoire, Paris).

Checked: 2026-10-17