After 17,000 years, the oldest known conch shell horn has made music once again, playing three notes close to C, D, and C sharp. Image credit: Hypothetical representation of the conch horn in use. Credit: G. Tosello Audio credit: Player : J.M. Court (cornist). Sound recorder : J. Tardieu. Fritz et al., Sci. Adv. 2021; 7 : eabe9510