What instruments are commonly used in a rock band?

A rock band typically relies on a core ensemble of amplified instruments to create its signature sound. The most common instruments used include:

• Electric guitar: Often considered the central instrument of rock, it is used for both rhythm and lead parts. Its ability to be amplified and modified with effects like distortion and wah-wah pedals is fundamental to the genre.123
• Bass guitar: An electrically amplified stringed instrument that provides the essential rhythmic and harmonic foundation for the music.45
• Drums: A standard drum kit—typically including a snare drum, bass drum, and various cymbals—is used to drive the beat and energy of the performance.46
• Keyboards: Depending on the specific style of rock, bands may also incorporate instruments such as the piano, organ, or synthesizers to add texture and melodic variety.4

While these are standard, rock is defined more by its eclectic use of technology and constant pursuit of new sounds than by a rigid set of instruments.2