Editing Hornbostel–Sachs (section)

====Trumpets (423)====
The player's vibrating lips set the air in motion.
* 423.1 [[Natural trumpet]]s – There are no means of changing the pitch apart from the player's lips. Examples include the [[bugle (instrument)|bugle]], [[didgeridoo]], [[natural horn]], and the [[shofar]].
** 423.11 [[Conch (instrument)|Conches]] – A conch shell serves as trumpet.
*** 423.111 End-blown.
**** 423.111.1 Without mouthpiece.
**** 423.111.2 With mouthpiece.
*** 423.112 Side-blown.
**** 423.112.1 Without mouthpiece.
**** 423.112.2 With mouthpiece.
*** 423.113 Sets of conches
**** 423.113.1 End-blown.
**** 423.113.2 Side-blown.
**** 423.113.3 Mixed.
** 423.12 Tubular trumpets.
*** 423.121 End-blown trumpets – The mouth-hole faces the axis of the trumpet.
**** 423.121.1 End-blown straight trumpets – The tube is neither curved nor folded.
***** 423.121.11 Without mouthpiece.
***** 423.121.12 With mouthpiece.
**** 423.121.2 End-blown horns – The tube is curved or folded.
***** 423.121.21 Without mouthpiece.
***** 423.121.22 With mouthpiece.
**** 423.121.3 Sets of End-blown trumpets
***** 423.121.31 Straight trumpets
***** 423.121.32 End-blown horns
***** 423.121.33 Mixed
*** 423.122 Side blown trumpets.
**** 423.122.1 Without mouthpiece.
**** 423.122.2 With mouthpiece
**** 423.122.3 Sets of side blown trumpets
* 423.2 Chromatic trumpets – The pitch of the instrument can be altered mechanically
** 423.21 Keyed trumpets – [[Ophicleide]].
*** 423.211 Regular bore
*** (423.212 Irregular bore)
*** 423.213 Sets of keyed trumpets
**** 423.213.1 Regular bore
**** (423.213.2 Irregular bore)
**** (423.213.3 Mixed bores)
** 423.22 [[Slide trumpet]]s – [[Trombone]], [[Bazooka (instrument)|bazooka]]
*** 423.221 Regular bore
*** (423.222 Irregular bore)
*** 423.223 Sets of slide trumpets
**** 423.223.1 Regular bore
**** (423.223.2 Irregular bore)
**** (423.223.3 Mixed bores)
** 423.23 Valved trumpets – [[French horn]], [[euphonium]], [[baritone horn]], [[trumpet]], [[tuba]], and other members of the [[saxhorn]] family. 
*** 423.231 Regular bore
*** (423.232 Irregular bore)
*** 423.233 Sets of slide trumpets
**** 423.233.1 Regular bore
**** (423.233.2 Irregular bore)
**** (423.233.3 Mixed bores)
** 423.24 Mixed sets of chromatic trumpets
* 423.3 Mixed sets of trumpets