Erik Satie’s first nocturne, published in 1919. Here, Satie juxtaposes perfect and augmented fourths to create harmonies distinctive of his compositional style. Whilst technically simple, for a ‘Nocturne’ the phrases can be strangely disjointed, presenting a musical challenge for the performer.
Sheet music available at IMSLP: https://imslp.org/wiki/5_Nocturnes_(Satie%2C_Erik)