Children and teenagers aged 8–18 from the Saint-Brieuc region, including those from under-resourced backgrounds seeking artistic mentorship.

Successful training of over 40 young vocalists annually; a measurable 30% improvement in participants' musical literacy scores; and the formation of a cohesive youth choir that performs alongside professional mentors in at least three major seasonal concerts.

Conservatory students, professional musicians transitioning to period instruments, and classical music enthusiasts seeking authentic auditory experiences.

Restoration and active use of 5 rare period instruments; hosting of 4 specialized masterclasses per year attended by over 50 musicians; and the production of a dedicated 'Historic Sounds' concert series that has seen a 25% year-over-year increase in attendance.

Local residents of Saint-Brieuc, regional tourists, partner cultural institutions, and community groups seeking to enrich their programming.

Establishment of long-term partnerships with 3 major local heritage sites; delivery of 10 free community outreach performances annually; and a documented increase in audience diversity, with 40% of attendees being first-time visitors to a sacred music concert.