There are mainly 4 types of musical instruments:
- Stringed musical instruments
 - Wind musical instruments
 - Membrane Musical Instruments
 - Plate Type musical instruments
 
Stringed musical instruments
Stringed musical instrument produces music by a stretched string.
Example - Guitar, Piano, Sitar
Wind musical instruments
Wind musical instrument produces music by vibration of air columns inside them
Example - Flute, Shehnai
Membrane musical instruments
Membrane means a thin skin.
Membrane musical instrument produces music by vibration of thin stretched membranes
Example - Tabla, Drums
Plate type musical instruments
Plate type musical instrument produces music by vibration of thick plates.
Example - Cymbals (Manjira), Jal-tarang
| 
     Instrument Name  | 
   
     Parts which Produces Sound  | 
  
| 
     Guitar  | 
   
     Stretched string  | 
  
| 
     Piano  | 
   
     Stretched string  | 
  
| 
     Sitar  | 
   
     Stretched string  | 
  
| 
     Flute  | 
   
     Air Column  | 
  
| 
     Shehnai  | 
   
     Air Column  | 
  
| 
     Drums  | 
   
     Stretched Membrane  | 
  
| 
     Tabla  | 
   
     Stretched Membrane  | 
  
| 
     Cymbals (Manjira)  | 
   
     Plate type  | 
  
| 
     Jal-tarang  | 
   
     Plate type  | 
  
Note: When we pluck the string of a guitar, the sound we hear is because of vibration of the whole instrument , not only the string.
Questions
 
  NCERT Question 7 -
 
 Identify the part which vibrates to produce sound in the following instruments:
 
 (a) Dholak (b) Sitar (c) Flute