Pierre Moerlen (1953-2023) was a French percussionist and composer, best known for his work with the progressive rock band Gong. He joined the band in the mid-1970s and became a significant figure in the genre, particularly noted for his innovative use of percussion and contributions to the band's sound. Moerlen's work with Gong led to the formation of Pierre Moerlen's Gong, where he shifted the band's style towards a blend of jazz fusion and progressive rock. Notable works include the albums "Gazeuse!" (1976) and "Expresso II" (1978), which showcased his intricate drumming and compositional skills. Moerlen's music often incorporated elements of jazz, rock, and world music, reflecting his diverse influences. His impact on music is marked by his pioneering approach to percussion in rock music, steering it into more complex, jazz-influenced territory. Moerlen's unique style has inspired countless musicians and contributed to the evolution of progressive and fusion genres, solidifying his legacy in the music world.