backing vocals to the track "Go Round" on The Hair and Skin Trading Company's 1993 album Over Valence. Sadier added French backing vocals on the 1994 song "To the End," from Blur's Parklife album. In 1995, she recorded the Serge Gainsbourg/Brigitte Bardot song "Bonnie and Clyde" with Luna. Throughout the years, Sadier has occasionally collaborated with German electronica group Mouse on Mars. In 1997, Sadier sang on "Schnick Schnack Meltmade" on Mouse on Mars' Autoditacker LP, and she and Mary Hansen contributed vocals to the Cache Cœur Naif EP. In turn, Mouse on Mars produced tracks on Stereolab's Dots and Loops LP. In 2001, Sadier sang on "Sol y sombra" on Fugu's Fugu 1 LP on Minty Fresh Records. In 2002, Sadier sang the chorus on "New Wave" from Common's album Electric Circus. She sang lead vocals on "Haiku One" from Sigmatropic's 2004 album Sixteen Haiku & Other Stories which was an album based on the poetry of Greek poet Giorgos Seferis. In 2007, Sadier wrote songs with Mouse on Mars and toured with them in Italy. They have yet to record the songs for release. In 2009 the French label Deux Mille released an EP which features Sadier singing with Toulouse-based band Momotte. Sadier wrote and sang the lyrics to the track "Quick Canal" by Atlas Sound on their album Logos (2009). She contributed vocals to "PartyIsntOver/Campfire/Bimmer" on the album Wolf (2013) by Tyler, the Creator, and "Summer Long" on the album Alexandre (2014) by Brazilian band Mombojó. She wrote the lyrics and was featured in "La Ballade" on the album Something About April II (2016) by Adrian Younge, and sang on the album I'm Willing (2016) by Marker Starling. In 2017, she appeared on the Deerhoof song "Come Down Here and Say That" from their album Mountain Moves. In 2019 she appeared on the Mercury Rev album Bobbie Gentry's The Delta Sweete Revisited where she sang lead vocals on the track Mornin' Glory. In 2020, she appeared as featured lead singer on two compositions by Chapman Stick virtuoso Michael Bernier, released on his third solo full-length release The Beach Album. Together with Jarvis Cocker she released in 2021 on the album Tip-Top Chansons d´Ennui a cover version of french classic Paroles, Paroles originally sung by Dalida and Alain Delon. Personal life While she spent most of her formative years in France, Sadier's family travelled extensively, and she lived