A synthesizer is an electronic musical instrument that uses a keyboard to control the pitch and timbre of the sound.

Piezoelectric microphones are not typically used in music production, as they are more commonly used in applications such as sonar and medical imaging.

A Digital Audio Workstation (DAW) is a software program that allows users to record, edit, and mix audio tracks.

An Analog-to-Digital Converter (ADC) is a device that converts analog audio signals to digital audio signals.

Optical pickups are not typically used in musical instruments, as they are more commonly used in applications such as CD and DVD players.

MIDI (Musical Instrument Digital Interface) is a technology that allows musicians to control the sound of their instruments using a computer.

MIDI is not an audio file format, but rather a protocol for communicating musical information between electronic instruments.

A guitar amplifier is a device used to amplify the sound of an electric guitar.

An equalizer is not typically considered a musical effects pedal, as it is more commonly used in audio engineering to adjust the frequency response of an audio signal.

Music notation software is used to create and edit musical notation.

Modular synthesizers are not typically considered a type of synthesizer, as they are more commonly used in electronic music production.

Music production software is used to create and edit music using a computer.

Guitars are not typically considered musical instrument controllers, as they are more commonly used as standalone instruments.

A Digital-to-Analog Converter (DAC) is a device that converts digital audio signals to analog audio signals.

Drum amplifiers are not typically used in music production, as drums are typically amplified using microphones.