1) The acoustic properties of a series of recordings made of 3 types of lithic raw materials as they are being knapped. Consisting of individual strikes, analysed using "soundgen" (Anikin, 2019), and providing the 4 acoustic properties utilized in the accompanying paper.
2) Responses of (87) listeners to a sample of those strikes provided as a choices on 5 point likert scale from strongly disagree to strongly agree.