Symphonie fantastique - Berlioz
Symphonie Fantastique is a standard audition excerpt for tenor and bass trombones.

Excerpts
Trombone section excerpt (with tuba) - all parts, Southeast Trombone Symposium.
Full orchestra excerpt - Buenos Aires Philharmonic.
Orchestra Audition History
Background
Hector Berlioz (1803-1869) was a French composer of the Romantic period.
Symphonie fantastique was completed in 1830.
To learn more about the composer, visit Hector Berlioz on Wikipedia.
For more on the composition, visit Symphonie Fantastique on Wikipedia.
Performance
Berlioz: Symphonie fantastique op. 14 (full) | University Orchestra Weimar
Trombone Parts and Full Score
The full score of Symphonie fantastique is available on IMSLP.org.
NOTE: IMSLP provides access to public-domain scores and parts, with copyright status varying by country. Users are responsible for observing applicable copyright laws.
Trombone parts are available on IMSLP.org as follows:
Ranges and clefs by Part

More Berlioz
Trombone Resources playlist of Berlioz with trombones in the instrumentation.
