Oscar Sinisterra is a professional vocalist specializing in elegant live music for corporate events and upscale private gatherings. His repertoire draws from the Great American Songbook and classic Latin standards, delivered with a calm stage presence and a refined, discreet style. With a background shaped by international experience and a deep respect for professional environments, Oscar’s performances are designed to elevate the atmosphere without overpowering the occasion. Clients value reliability, musical taste, and an experience that feels polished from start to finish.