An electronic music speaker, amplifier or sound system.

Speaker

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

Person With Laptop And Headphones

A complete "set preferences" illustration or three boxes with basic faces: a smiling one, a neutral one and a sad one, with a paper being put in the smiley one. 

Three Boxes With Reaction Faces

Music Note

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

Vinyl Record or CD

A front-facing storage box with a sad face icon on it.

Storage Box With Sad Face

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

Busy Project Manager Overwhelmed By Work

Illustrations of sad music