A "refer a friend" complete illustration with a megaphone, a user icon and a plus icon.

Refer A Friend Illustration

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.

An account or add friend icon with a user and a plus sign.

A "watch or follow" illustration of a front-facing opened book with an "add friend" icon and a play button.

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.