Figure 1.

Schematic representation of the music task of Experiment 1

At the beginning of each trial, a video simulating the synchronization of the experiment with other participants was shown. Successively, (illusory) connected participants appeared as pins on a map of the country. Each participant listened to a total of 18 different musical excerpts (i.e., self- and experimenter-selected songs) under three social conditions: (A) Non-Social (0 pins), (B) Low-Social (with 3, 4, or 5 pins), (C) High-Social (with 18, 19, or 20 pins). After each excerpt, the map disappeared, and participants were asked to provide pleasure and other control subjective measures through a 0–100 scale slider. In Experiments 2 and 3, the same implementation was adapted with maps of France for Experiments 2 and 3.