What is the fine-grained topic of the following text: Davide is endorser artist of the brands “Légère Reeds” and "Silverstein Works", he is teacher of saxophone and the artistic director of the Musical Society "S. M. Immacolata" and of the Music Festival “Giovani Concertisti” in Loano (SV). Only return the topic.
Davide's music career and affiliations.