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Love the music and laser shows at Fiske? They’re the work of a dedicated team of students led by CU Boulder astronomy alumnus Jeremy Osowski

When looking at over 50 years of music hits, how would you narrow down the list to only 15 songs? This difficult question led to the creation of Fiske Planetarium’s 50th anniversary music show, which debuted Friday.

Fiske Planetarium is kicking off its 50th anniversary, and what better way to celebrate than with some historical hits? “Flashback at Fiske,” a music and laser show that combines the iconic music of the previous five decades and space, will leave people walking out with the line between science and art blurred, say its creators.

The man behind the lasers

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Jeremy Osowski is a CU Boulder astronomy graduate, Fiske Planetarium music show lead and visual arts specialist.

The man behind the show is Jeremy Osowski, a �������� astronomy graduate, Fiske Planetarium music show lead and visual arts specialist.

Osowski began at CU Boulder in the aerospace engineering program. However, after taking some time to consider his interests, he decided to study astronomy. During his undergraduate studies, he worked at Noodles & Company and was offered the position of assistant general manager. Needing the weekend to consider the offer, he attended a show at Fiske Planetarium and realized that students were the ones running the show.

Equipped with no experience, he walked into the planetarium the next day and asked about a job. Initially, he was told that he could scan tickets and sweep floors. Osowski remembers thinking, “‘That sounds like a good gig to me.’ For the first two years I was an usher, scanning tickets, doing odds-and-ends things. Being a junior, there wasn’t a lot of availability in moving up and navigating and presenting in the planetarium. But what did have an opening was the outreach program.”

Working in the outreach program, he began presenting Fiske’s inflatable planetarium, solar telescope and meteorites lab at area schools. When COVID-19 hit, he was able to work at home with one of the laptops that contained the software the planetarium used to develop the music shows and began to experiment with the visuals and the playlists. During a livestream performance, he consulted on the playlist and performed some of the visuals. Finally, his bosses were beginning to see he knew how to put together a show.

When in-person shows resumed, Osowski got his break. One night the music show navigator was MIA while he was ushering. Despite starting out on the sidelines, he jumped in to save the show. Afterwards, he was hired as a temp worker with a nine-month term limit before a required hiatus. During his break, he worked as a dark skies ranger at Great Basin National Park in Nevada. Thursdays through Saturdays, he guided hikes, led telescope observing sessions and more. He enjoyed this so much he made steps toward a career in teaching, first as a substitute teacher and then considering a master’s in teaching at CU Denver, but life had other plans for him.

Three years ago, he was pulled back into Fiske’s orbit when Director John Keller told him about the new��Science through Shadows educational program, which focuses on eclipses, occultations and transits. Osowski applied to manage the program and got the position. Now his job is 75% managing the program and 25% managing the music shows.

One of the shows that Osowski has been working to create is Fiske’s 50th anniversary show, “Flashback at Fiske.”

Five decades of hits

The “Flashback at Fiske” playlist began with five decades of Billboard Hot 100 charts, Rolling Stone magazine and other music charts. Searching for what songs were popular or celebrated was the easiest way to begin planning the playlist. After Osowski had narrowed the list down to around 100 songs, he shared it with the rest of Fiske’s staff. Together, they voted on songs.��“It came down to what songs were popular in those decades and what songs flowed together best,” Osowski explains. After the challenging process of debating and voting, Osowski and his colleagues managed to narrow the playlist to 15 songs.

It was hard to only pick a few songs from each decade,” he explains. “But I looked at 1975—the year we opened—and one of the top songs was Pink Floyd’s ‘Welcome to the Machine,’ and I’m a huge Pink Floyd fan, so it’s a nod to all (my) planetarium shows; I have to have a Pink Floyd song.”

There is a lot of personal touch within the playlist, he adds; despite some of the songs being iconic, they still hold a, special place for many of the staff who contributed to the project. “There’s one song from the ’80s that not many people may know, but it’s our director’s favorite song,” he says. “I tried to keep it either songs people will remember listening to or that embody the feeling of the decade or genre it comes from.”

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Visually, the song choices played an important role in creating the laser imagery, he says, adding that the artist who created the graphics for the featured Beyoncé song wanted them to mirror the pop sound of the song. If the song is EDM or bass music, for example, there are more beam lasers that shoot over audience members’ heads.

Because it’s a planetarium, the base of all shows is the specialized planetarium software, DigitalSky2. Within the music shows, including the 50th anniversary show, there is the element of being flown through space by the navigator: “I like to say we blend science, nature and art,” Osowski says. “I like to drop science on people without them realizing they’re learning.”

Throughout the fall of 2025 and more dates coming in 2026, different students will run the same show. Although the playlist and lasers will remain the same, the students have full creative freedom to choose what space imagery they want to use. This allows visitors to be flown through different parts of space each performance.

A full roster of shows

While the 50th anniversary music show has been months in the making and is a highlight in commemorating Fiske’s milestone anniversary, the planetarium is maintaining its full calendar of science and other music shows.

All of Fiske Planetarium’s shows are an hour long and the usual schedule is three shows a night on Thursdays through Sundays—one science show followed by two music shows. The music shows used to be designated Laser Sky or Liquid Sky, but among other changes, Osowski is blending the two styles.

One of the most challenging aspects of Fiske’s show, he says, is that they don't change every week like in movie theatres. Osowski considers how once people have seen a show with a certain artist, they may believe they don’t need to see it again because it won’t have changed. He is working to create shows that change from one year to the next, allowing fans to consistently experience something new.

Osowski says he and the team of students and staff are working hard to develop new shows, and that all��of Fiske’s shows are either student-made or student-run. He notes��Caroline’s Classic Rock Show, which features hits of the 1960s and 1970s and debuted Sept. 19, adding that it sold out by Sept. 16. Another show showcases Ariana Grande’s hits, and Osowski is currently creating a Twenty One Pilots show.��Part of the art of putting together this and other shows is featuring an artist’s hit but not making it a “greatest hits show,” he says. Often, creating shows means finding a balance between what Osowski or his colleagues like and what they believe the audience will want to hear.

Fiske Planetarium is more than just a venue for the light shows; it’s a place for learners of all ages. The planetarium hosts K-12 field trips and CU student classes during the day, so Osowski and his colleagues have been creating music shows that cater to those audiences.

A surprise career

When Osowski took an astronomy class in high school, he didn’t believe he could make a career out of it. Working on the MAVEN Mission with spacecraft and model data, he realized that it was the science behind space and not building that he was interested in.

“When I started doing outreach with the planetarium, I realized what I really loved was sharing science with people,” he says. “I would much rather be going to a school or setting up a solar telescope in front of the planetarium and interacting with others than working on a computer by myself.”��

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