If you're subscribed to an artist's Crew, you have exclusive access to their News Feed and their Crew Chat. The Crew Chat will be present inside the artist's profile and you can find it by following these instructions:
1. Visit the artist profile of the artist. See also: Help Article: "How can I find my artist public profile?".
2. Click the "Chat" button in the box to the right to access their Crew Chat. Please note that this button is only accessible if you're part of their Crew.
3. You can communicate with all other users that are also subscribed to this artist's Crew by clicking the "Send a message" field at the bottom of the frame and sending a message to the chat.