The 2026 version of Whistle Jacket is the band's 9th line-up, bringing this "unapologetically quirked-up, quasi-psychedelic ensemble” (Weekly Dig) into its quarter century mark. Through six full-length releases, Whistle Jacket has offered songs “ranging from touching love songs to tales of unrequited love to social commentary… (with) thoughtful harmonies” (Northeast Performer). It is these harmonies, both literal and figurative, that have been at the core of Whistle Jacket. The band, despite its revolving cast, has always been a deeply collaborative unit. Band founder Michael Leyden puts it this way: Any song I bring to the band always comes out better in the hands of my bandmates, my friends.