As part of the rehabilitation of people struggling with neurodegenerative pathologies, the use of a rhythmic sound stimuli improves walking abilities. aBeat is developed in collaboration with people who can benefit from this approach. This application allows using a simple interface to select a rhythm and adjust its tempo. The latter is presented as a number representing beats per minute (BPM). The goal is to find the most comfortable tempo for your walking frequency. Follow this rhythm and let yourself be carried away.