Editing Hornbostel–Sachs (section)

===Struck membranophones (21)===
Struck drums are instruments that have a struck membrane. This includes most types of drums, such as the [[timpani]], or [[kettle drums]], and the [[snare drum]].

====Directly struck membranophones (211)====
{{main|Directly struck membranophone}}
Instruments in which the membrane is struck directly, such as through bare hands, beaters or keyboards.
* 211.1 Instruments in which the body of the drum is dish- or bowl-shaped ([[kettle drum]]s)
** 211.11 Single instruments
** 211.12 Sets of instruments
* 211.2 Instruments in which the body is tubular ([[tubular drum]]s)
** 211.21 Instruments in which the body has the same diameter at the middle and end ([[cylindrical drum]]s)
*** 211.211 Instruments which have only one usable membrane
**** 211.211.1 Instruments in which the end without a membrane is open
**** 211.211.2 Instruments in which the end without a membrane is closed
*** 211.212 Instruments which have two usable membranes
**** 211.212.1 Single instruments
**** 211.212.2 Sets of instruments
***211.213 Mixed sets of cylindrical drums
** 211.22 Instruments in which the body is barrel-shaped ([[barrel drum]]s)
*** 211.221 Instruments which have only one usable membrane
**** 211.221.1 Instruments in which the end without a membrane is open
**** 211.221.2 Instruments in which the end without a membrane is closed
*** 211.222 Instruments which have two usable membranes
**** 211.222.1 Single instruments
**** 211.222.2 Sets of instruments
***211.223 Mixed sets of barrel drums
** 211.23 Instruments in which the body is hourglass-shaped
*** 211.231 Instruments which have only one usable membrane
**** 211.231.1 Instruments in which the end without a membrane is open
**** 211.231.2 Instruments in which the end without a membrane is closed
*** 211.232 Instruments which have two usable membranes
**** 211.232.1 Single instruments
****211.232.2 Sets of instruments
***211.233 Mixed sets of hourglass drums
** 211.24 Instruments in which the body is conical-shaped ([[conical drum]]s)
*** 211.241 Instruments which have only one usable membrane
**** 211.241.1 Instruments in which the end without a membrane is open
**** 211.241.2 Instruments in which the end without a membrane is closed
*** 211.242 Instruments which have two usable membranes
****211.242.1 Single instruments
****211.242.2 Sets of instruments
***211.243 Mixed sets of single-conical drums
***211.244 Instruments in which the body is double-conical 
****211.244.1 Instruments which have only one usable membrane
*****211.244.11 Instruments in which the end without a membrane is open
*****211.244.12 Instruments in which the end without a membrane is closed
****211.244.2 Instruments which have two usable membranes
***** 211.244.21 Single instruments
***** 211.244.22 Sets of instruments
***211.245 Mixed sets of double-conical drums
***211.246 Mixed sets of conical drums
** 211.25 Instruments in which the body is goblet-shaped ([[goblet drum]]s)
*** 211.251 Instruments which have only one usable membrane
**** 211.251.1 Instruments in which the end without a membrane is open
**** 211.251.2 Instruments in which the end without a membrane is closed
*** 211.252 Instruments which have two usable membranes
**** 211.252.1 Single instruments
**** 211.252.2 Sets of instruments
***211.253 Mixed sets of goblet drums
**211.26 Mixed sets of tubular drums
* 211.3 Instruments in which the body depth is not greater than the radius of the membrane ([[frame drum]]s).
** 211.31 Instruments which do not have a handle
*** 211.311 Instruments which have only one usable membrane
*** 211.312 Instruments which have two usable membranes
** 211.32 Instruments which have a handle
*** 211.321 Instruments which have only one usable membrane
*** 211.322 Instruments which have two usable membranes

====Shaken membranophones (212)====
Instruments that are shaken, the membrane being vibrated by objects inside the drum ([[rattle drum]]s).