Conversation so far:
What is the Planetarium Project?
NPR's All Songs Considered reported that Sufjan would team up with Muhly, Dessner, and James McAlister to produce a "Planetarium Project" album.
Was the project successful?
CANNOTANSWER.
What is the Call Me by Your Name soundtrack?
Stevens would feature original songs written and recorded by himself for the movie Call Me by Your Name.
Was that a successful venture?
Stevens' score "adds to the sensation of the film as an isolated, specific capsule of an unforgettable encounter..
Was there a tour?
CANNOTANSWER.

Question: What other interesting information can you give me?
Self-contained rewrite: What other interesting information together with Call Me by Your Name can you give me about Sufjan's projects?