Diagram showing a typical seating arrangement for members of a <a href="https://en.wikipedia.org/wiki/jazz_ensemble" class="extiw" title="w:jazz ensemble">jazz ensemble</a>.
On the left, the <a href="https://en.wikipedia.org/wiki/rhythm_section" class="extiw" title="w:rhythm section">rhythm section</a> consists of <a href="https://en.wikipedia.org/wiki/drum_set" class="extiw" title="w:drum set">drum set</a>, <a href="https://en.wikipedia.org/wiki/Electronic_keyboard" class="extiw" title="w:Electronic keyboard">keyboard</a>/<a href="https://en.wikipedia.org/wiki/piano" class="extiw" title="w:piano">piano</a>, <a href="https://en.wikipedia.org/wiki/electric_guitar" class="extiw" title="w:electric guitar">electric guitar</a>, and <a href="https://en.wikipedia.org/wiki/bass_guitar" class="extiw" title="w:bass guitar">bass guitar</a>.  On the right are the horns.  The <a href="https://en.wikipedia.org/wiki/trumpet" class="extiw" title="w:trumpet">trumpets</a> are in the back row, with first trumpet sometimes doubling on <a href="https://en.wikipedia.org/wiki/piccolo_trumpet" class="extiw" title="w:piccolo trumpet">piccolo trumpet</a>, and second trumpet sometimes doubling on <a href="https://en.wikipedia.org/wiki/flugelhorn" class="extiw" title="w:flugelhorn">flugelhorn</a>.  In the next row are the <a href="https://en.wikipedia.org/wiki/trombone" class="extiw" title="w:trombone">trombones</a>; sometimes the fourth trombone is a <a href="https://en.wikipedia.org/wiki/bass_trombone" class="extiw" title="w:bass trombone">bass trombone</a>.  In the front row are the <a href="https://en.wikipedia.org/wiki/saxophone" class="extiw" title="w:saxophone">saxophones</a>; from left to right are <a href="https://en.wikipedia.org/wiki/tenor_saxophone" class="extiw" title="w:tenor saxophone">Tenor</a> I, <a href="https://en.wikipedia.org/wiki/alto_saxophone" class="extiw" title="w:alto saxophone">Alto</a> I, Alto II, Tenor II, and <a href="https://en.wikipedia.org/wiki/baritone_saxophone" class="extiw" title="w:baritone saxophone">Baritone</a>.  The tenors and altos sometimes double on other woodwinds -- <a href="https://en.wikipedia.org/wiki/soprano_saxophone" class="extiw" title="w:soprano saxophone">soprano saxophone</a>, <a href="https://en.wikipedia.org/wiki/clarinet" class="extiw" title="w:clarinet">clarinet</a>, and/or <a href="https://en.wikipedia.org/wiki/flute" class="extiw" title="w:flute">flute</a>.
Matthew D. Wilson (<a href="//commons.wikimedia.org/wiki/User:LtPowers" title="User:LtPowers">LtPowers</a>)
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>