An electronic music speaker, amplifier or sound system.

Speaker

A technology or science machine with sliders, shapes and buttons.

Machine

A person sitting down, with his computer and headphones, participating in an online class, watching a movie or listening to music.

A round retro vinyl or a CD with a hole in the middle to play music. 

A busy and overworked manager or employee surrounded by charts, graphs, and notifications.

An icon of a technology chip inside a circle.