Conversation so far:
What is the Planetarium Project?
Planetarium is a collaborative album inspired by the Solar System, featuring Bryce Dessner, drummer James McAlister, contemporary classical music composer and arranger Nico Muhly, and singer-songwriter Sufjan Stevens.
Was Sufjan Stevens' Planetarium project successful?
Planetarium received generally positive reviews from critics.
What is the Call Me by Your Name soundtrack?
The Call Me By Your Name soundtrack is a collection of songs from various artists that featured in the movie with the same title.
Was Sufjan Steven's contribution a successful venture?
As of February 1, 2018, the soundtrack has sold 9,000 copies and had 29 million on-demand audio streams of its tracks in the United States, according to Nielsen SoundScan.
Was there a tour for the Call Me by Your Name soundtrack?

Question: What other interesting information can you give me?
Self-contained rewrite: What other interesting information can you give me about Sufjan Stevens?