“Hoppipolla” by Sigur Rós is a dreamy and atmospheric piece that showcases the band’s unique style. The chord progression in the verse consists of D#m, E, D#m, and E chords, which creates a simple and elegant harmonic structure. The use of open strings and melodically moving chords in this progression reflects the ethereal nature of this piece. This progression can be found in both rock and alternative music genres, as it uses the powerful major and minor chords found throughout these styles. The repetitive nature of the chord progression mirrors the band’s tendency to use slow-building and evolving textures in their compositions.