Lesoir is a Dutch art-rock/progressive rock band formed in 2009 in Maastricht, known for its atmospheric soundscapes, melodic, and occasionally heavy music. Led by vocalists/multi-instrumentalists Maartje Meessen and Eleën Bartholomeus, the band produces cinematic, emotional music often described as atmospheric art rock with prog influences. They have gained recognition for their live performances and collaborations with producers for artists like Muse and Porcupine Tree.