The journey towards this year’s Venice Film Festival began nearly two decades ago for documentarian Marie Losier and pop icon Merrill Nisker – better known to the world as Peaches. Upon meeting backstage at a show, Losier instinctively turned her Bolex camera on the musician — and then didn’t stop filming for 17 years.

The result is “Peaches Goes Bananas,” an intimate and unconventional doc premiering out the Venice Days sidebar.

The project marks the second Peaches-focused project to hit this year’s festival circuit, following Philipp Fussenegger and Judy Landkammer’s “Teaches of Peaches” in Berlin, and the singer sees no overlap.

“The projects are so different,” Nisker tells Variety. “One is more of a documentary of a certain album at a certain place in time, [whereas] Marie’s film – well, I don’t even consider it documentary. It’s more of a painting, a portrait. Marie gets excited about an...