This instrumental case study explores and theorizes on the educational potential and value of free collaborative vocal improvisation, a process that enables equal access to music regardless of musical skills. The focus of the article is on the musical activities of an adult choir in Finland that applied tenets from improvisational theatre to facilitate the social and musical processes of free improvisation. This study applies an ecological perspective to understand how improvisation can offer asylum--a physical or conceptual safe space within which an individual can flourish socially and musically--and explore how it is sought, constructed, and supported, and what opportunities it can afford to those participating in it. The analysis shows how the participants used various techniques for seeking asylum, both in and away from their shared social space, when they encountered the inherent discomforts of improvisation. Depending on the social ecology of each situation, the musicking activities provided the participants with the resources to construct both social and musical agency as well as experiences in playful collaborative musical learning and wellbeing. The present study calls for an ecological framework for music education and improvisation that supports musicking in a safe and playful learning environment with a focus on social processes, and which could be considered the starting point for music education at all ages.