Question:
Future Islands is an American synthpop band based in Baltimore, Maryland, and signed to 4AD, currently comprising Gerrit Welmers (keyboards and programming), William Cashion (bass, acoustic and electric guitars), and Samuel T. Herring (lyrics and vocals). The band was formed in January 2006 by Welmers, Cashion and Herring--the remaining members of the performance art college band Art Lord & the Self-Portraits--and drummer Erick Murillo. Murillo left in November 2007, after which the band relocated to Baltimore, MD, and released the debut album Wave Like Home through British label
When Art Lord & the Self Portraits disbanded in late 2005, its members forgot they had discussed with alt-country band The Texas Governor the possibility of touring together. Future Islands was formed in early 2006 to keep that commitment, with an original line-up consisting of Cashion, Herring, Welmers and Erick Murillo--bassist for The Kickass --who played an electronic drum kit.  Already as Art Lord & the Self-Portraits, the band wanted to change their image and took this opportunity to do so. William Cashion stated: "Me and Gerrit had been talking for a while about how we wanted to get rid of the gimmick. We wanted to be taken seriously. Our songs had outgrown the gimmick that the band was made on. The songs were starting to deal with bigger, personal, universal themes. We wanted to be taken seriously."  The band played their first show on February 12, 2006 at an anti-Valentine's Day party in a venue called the Turducken house, opening for about a dozen bands. After writing 6-7 songs in only one week, they had to come up with a new name quickly, narrowing it down to two choices--Future Shoes and Already Islands--and combining them into one. Future Islands self-released the EP Little Advances on April 28, 2006 which they recorded in March 2006.  A couple of months later, Herring dropped out college and left Greenville to deal with a substance abuse problem he had acquired: In June, I left town and didn't come back. It was just drug problems, man. I got sucked into the darkness of partying and shit college kids do. I came clean to my parents and said, 'Look, I have a problem and need your help.' I stayed at my parent's for about a month and then moved across the state to Asheville, North Carolina. It took about a year for me to get my act together.  The band still continued and on January 6, 2007 they self-released a split CD with Welmers' solo project Moss of Aura, recorded in December 2006.
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When did the drummer leave?

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Answer the question at the end by quoting:

Stevens was born in Detroit, Michigan, and lived there until the age of nine, when his family moved to Petoskey, in the northern part of the Lower Peninsula of Michigan. He was raised by his father Rasjid and his stepmother Pat, only occasionally visiting his mother, Carrie, in Oregon after she married her second husband Lowell Brams. His mother is deceased. Brams later became the head of Stevens' record label Asthmatic Kitty.
In 2011, Dutch concert hall Muziekgebouw Eindhoven commissioned composer Nico Muhly to write a piece. He collaborated with Stevens and Bryce Dessner (of The National) to write a piece about the Solar System, which was first performed in Amsterdam in April 2012. On March 28, 2017, NPR's All Songs Considered reported that Sufjan would team up with Muhly, Dessner, and James McAlister to produce a "Planetarium Project" album. The first single, "Saturn," was released in March 2017 around the announcement that a space-themed Planetarium album would be released June 9, 2017 on 4AD. NPR described the album as "collaboration between four brilliant musicians, with lyrics from Sufjan Stevens revolving around mythology, astrology, science, astronomy and the intricacies of human consciousness." The second single, "Mercury," was released on April 25, 2017.  In January 2017, it was announced that Stevens would feature original songs written and recorded by himself for the movie Call Me by Your Name, directed by Luca Guadagnino and based on Andre Aciman's novel of the same name. The film was released on November 24, 2017, by Sony Pictures Classics. The soundtrack to the film features two new songs by Stevens. In his review of the film, Consequence of Sound writer Dominick Suzanne-Mayer noted Stevens' score "adds to the sensation of the film as an isolated, specific capsule of an unforgettable encounter." One of the original songs is called "Visions of Gideon", and has been described as fluctuating between lush orchestrations, staccato-heavy piano refrains, and the lilting delivery of "I have loved you for the last time" in the composition. The trailer for the film features Stevens' song "Mystery of Love." Stevens has another track featured in the film: an "ethereal piano arrangement" of The Age of Adz track "Futile Devices." The film has received critical acclaim; on Rotten Tomatoes, it has an approval rating of 97%, with an average rating of 8.8/10, based on 200 reviews.. In January 2018, Stevens's track "Mystery of Love" was nominated for an Oscar for Best Original Song.  On December 6, 2017, Stevens released a new song via Asthmatic Kitty Records' YouTube channel. The track, titled "Tonya Harding", plays along a clip of the eponymous skater performing at the 1991 World Figure Skating Championships. Two days later, the single was offered for digital download and streaming, to be followed later by a cassette and vinyl release, in two versions, the one featured in the video (subtitled "in D major") and a slower, piano-only arrangement ("in Eb major"); in a short essay, Stevens revealed his intention to write a song about Harding since 1991. The track was unrelated to the biographical film I, Tonya, which was released in the same period; nevertheless, Stevens offered it to the film's producers, but was rejected.

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.