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Contraforte

Woodwind instrument
Hornbostel–Sachs classification	422.112–71 (Double-reeded aerophone with keys)
Related instruments
Bassoon Contrabassoon Tenoroon Dulcian

The contraforte (German: Kontraforte) is a proprietary instrument with a range similar to the contrabassoon produced by Benedikt Eppelsheim and Guntram Wolf. It is intended to have improved dynamics and intonation over the distinctive but sometimes reticent sound of the conventional contrabassoon. The contraforte uses a different and wider bore than the contrabassoon to produce a distinct tone; the sound is more even in strength and intonation across registers, remaining quite strong into the high register, unlike a contrabassoon. Also, it lacks the distinct "rattle" of a contrabassoon, although an appropriate reed design can replicate this effect where desired.

Wolf and Eppelsheim developed an accurate bore taper and precise key works in order to simplify fingerings despite the instrument's large size.

In October 2010, Lewis Lipnick, contrabassoonist for the National Symphony Orchestra in Washington, DC, played it in a performance of Beethoven's Symphony No. 9. According to Lipnick, the other members of the orchestra, who used to make jokes about the sound of his old contrabassoon, praised the sound of the contraforte. As the soloist of the Helsinki Philharmonic Orchestra in February 2012, Lipnick also performed Kalevi Aho's extensive Contrabassoon Concerto on the contraforte, and as a solo instrument, it proved to be superior to the traditional contrabassoon, because of its very wide dynamic range, clear and focused intonation. In September 2021, Georg Friedrich Haas' concertante symphonic poem for violin, contraforte and orchestra was premiered during the annual Beethovenfest Bonn. The part of the contraforte was played by Lorelei Dowling, a member of Klangforum Wien, who is conducting her artistic research at the University of Music and Performing Arts Graz on the question, "How can the contraforte be exploited in the color palette of the 21st century ensemble writing".

Technical specifications

The contraforte has many technical aspects that have not been associated with instruments like the bassoon and contrabassoon.

• The contraforte has a written range from A₁ to G₅ (in scientific pitch notation), which sounds as A₀ to G₄.
• Large tone holes allow for a free response and a very large dynamical range.
• The pivot screws lie in synthetic sleeves for silent key actions, and push rods make for easy key action with low friction.
• The half-hole mechanism provides a clean, silent octave for F♯₃ and G₃. There are also well-built automatic octave keys from notes A₃ to F₄.

References

1. See points 3 and 5 in Eppelsheim's description (in German). Retrieved 24 July 2022.
2. Midgette, Anne. "NSO's Lewis Lipnick trades in his contrabassoon for contraforte's sweeter sound", The Washington Post, Washington, DC, 2010 Oct 14. Retrieved on 2010-10-17.
3. Listen e.g. on YouTube to Lipnick's presentation and explanations. Retrieved 23 July 2022.
4. Announcement (German) of the premiere on the website of Ricordi, Milan, etc. Retrieved 23 July 2022.
5. Personal page (German) on the website of Klangforum Wien. Retrieved 23 July 2022.
6. Description (German) of Dowling's research project. Retrieved 23 July 2022.

External links

• Contraforte page on Benedikt Eppelsheim's web site, includes recordings.
• Contraforte page on Guntram Wolf's web site. Retrieved 23 July 2022.
• David Angus, member of the New Zealand Symphony Orchestra, presents the contraforte. Retrieved 23 July 2022.

Images

• Contraforte, pictured with a B flat Tubax

• Double-reed instruments
• Contrabass instruments