Stringed instruments:
- Guitar: A plucked string instrument with six strings, typically played with the fingers or a plectrum.
- Violin: A bowed string instrument with four strings, known for its high pitch and expressive sound.
- Cello: A bowed string instrument with four strings, larger in size and lower in pitch than the violin.
- Double bass: A bowed string instrument with four strings, the largest and lowest-pitched member of the violin family.
- Harp: A plucked string instrument with a large, triangular frame and many strings, played by plucking the strings with the fingers.
Wind instruments:
- Flute: A woodwind instrument with a cylindrical bore and a single reed, played by blowing air across a mouthpiece.
- Clarinet: A woodwind instrument with a cylindrical bore and a single reed, known for its mellow, warm tone.
- Saxophone: A woodwind instrument with a conical bore and a single reed, typically made of brass and played with a mouthpiece.
- Trumpet: A brass instrument with a cylindrical bore and valves, played by blowing air through the mouthpiece and using different fingerings to change the pitch.
- Trombone: A brass instrument with a cylindrical bore and a sliding mechanism to change the pitch, known for its rich, low sound.
Percussion instruments:
- Drum: A membrane stretched over a hollow shell or frame, played by striking the membrane with hands, sticks, or mallets.
- Cymbal: A circular metal plate that produces a crashing or shimmering sound when struck with a drumstick or another cymbal.
- Xylophone: A percussion instrument consisting of a series of tuned wooden bars that are struck with mallets.
- Marimba: A percussion instrument similar to the xylophone, but with larger bars made of rosewood.
- Vibraphone: A percussion instrument similar to the marimba, but with metal bars and a vibrato effect created by rotating discs.
These are just a few examples of the vast variety of acoustic instruments that exist worldwide, each with its unique sound and playing technique.