There is a BIG hall filled with hundreds of people. They are just getting comfortable in their seats when the musicians walk onto the stage, carrying instruments. There are the string instruments: the violins, violas, cellos and large double basses, which are heavy to carry.

There are the brass instruments: horns, trumpets, trombones and a tuba. And there are the woodwind instruments: flutes, oboes, clarinets and bassoons. The percussionists walk onto the stage too, but they are not carrying anything because their instruments – drums, triangles, timpani, xylophone and bells – are already set up.

The musicians sit in their places, making a semi-circle on the stage and leaving a space in the front for the conductor. Then you can hear a long, clear note – an 'A' – from the oboe.

All the musicians in the orchestra copy that note, making sure they are all in tune.

When they are quiet and ready, the conductor walks onto the stage, carrying with him the little stick called a baton. He steps up onto the podium so that he's a bit taller, bows to the audience, and everyone claps. He turns around to face the orchestra and lifts up his baton.

Everyone is silent. All the musicians are looking at that stick, with their instruments ready.

Suddenly, down it goes and the whole orchestra starts to play! The concert has begun!

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Naxos Records is the world's leading classical music label as measured by the number of new recordings it releases and the depth and breadth of its catalogue. Naxos was founded in 1987 by Klaus Heymann, a German-born entrepreneur based in Hong Kong. Under his continuing stewardship, Naxos has developed from being known primarily as a budget label focusing on standard repertoire into a global music group comprising a raft of downloading and streaming platforms, a significant catalogue of multimedia products, a vast international logistics network, a recording engineering arm, a publications division, and a licensing department.

Music Tracks and Information:

TR 1 ( 00:03:31 ) Guillaume Tell (William Tell): Overture: Finale

Composer: Rossini, Gioachino | Performer: Zagreb Festival Orchestra; Halász, Michael

TR 2 ( 00:05:49 ) Swan Lake, Op. 20, Act I: The terrace in front of the palace of Prince Siegfried: No. 2. Valse

Composer: Tchaikovsky, Pyotr Il'yich | Performer: Slovak Philharmonic Orchestra; Halász, Michael; Bogacz, Josef

TR 3 ( 00:03:34 ) The Four Seasons: Violin Concerto in E Major, Op. 8, No. 1, RV 269, "La primavera" (Spring): I. Allegro

Composer: Vivaldi, Antonio | Performer: Capella Istropolitana; Gunzenhauser, Stephen; Nishizaki, Takako

TR 4 ( 00:03:31 ) Berceuse, Op. 16 (version for violin and piano)

Composer: Fauré, Gabriel | Performer: Kang, Dong-Suk; Devoyon, Pascal

TR 5 ( 00:01:23 ) Overture (Suite) No. 2 in B Minor, BWV 1067: VII. Badinerie

Composer: Bach, Johann Sebastian | Performer: Cologne Chamber Orchestra; Müller-Brühl, Helmut; Kaiser, Karl

TR 6 ( 00:05:48 ) Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio

Composer: Beethoven, Ludwig van | Performer: Nicolaus Esterházy Sinfonia; Drahos, Béla

TR 7 ( 00:02:23 ) Peer Gynt Suite No. 1, Op. 46: IV. In the Hall of the Mountain King

Composer: Grieg, Edvard | Performer: Norrköping Symphony Orchestra; Rondin, Mats

TR 8 ( 00:00:34 ) Román népi táncok (Romanian Folk Dances), BB 68 (excerpts) - No. 2. Brâul

Composer: Bartók, Béla | Performer: Jandó, Jenő

TR 9 ( 00:00:51 ) Román népi táncok (Romanian Folk Dances), BB 68 (excerpts) - No. 3. Topogó (Pê-loc)

Composer: Bartók, Béla | Performer: Jandó, Jenő

TR 10 ( 00:04:38 ) Trumpet Concerto in E-Flat Major, Hob.VIIe:1: III. Finale: Allegro

Composer: Haydn, Franz Joseph | Performer: Cologne Chamber Orchestra; Müller-Brühl, Helmut; Schuster, Jürgen

TR 11 ( 00:02:16 ) 21 Hungarian Dances, WoO 1: Hungarian Dance No. 5 (orch.