Match the following musical instruments with their vibrating parts:
| Instrument | Vibrating Part |
| Guitar | Stretched string |
| Flute | Air column |
| Tabla | Stretched membrane |
| Drum | Surface |
1
a-2, b-4, c-1, d-3
2
a-3, b-4, c-1, d-2
3
a-4, b-1, c-3, d-2
4
a-1, b-2, c-3, d-4