Adam Ostrosser
Music That Holds the Room
Adam Ostrosser is a guitarist, singer, songwriter, and educator based in Simcoe, Ontario, with more than two decades of experience performing across Ontario and the Greater Toronto Area. His performances are warm, engaging, and unforced—combining expressive guitar work, strong vocals, and a natural ability to read a room. Whether performing original music, carefully chosen covers, or a blend of both, Adam creates an atmosphere that feels personal, authentic, and memorable.
Over the years, Adam has performed everywhere from intimate restaurants and private gatherings to resorts, festivals, weddings, corporate functions, and community celebrations. That experience shows. He understands when a room needs energy, when it needs restraint, and how to create the right atmosphere without ever overpowering the occasion. Clients and audiences return not because he is the loudest performer in the room, but because he consistently delivers a professional, polished experience that feels genuine.
Alongside his solo work, Adam is the lead guitarist for Sarah Church, whose atmospheric alternative rock has been building momentum across Ontario and beyond. His guitar playing has become an integral part of Church's live sound, appearing at venues and events including Supercrawl, the Waterford Old Town Hall concert series, The Horseshoe Tavern, Live On Elgin, Casa Del Popolo, Musiikki Café, and performances throughout Ontario and Quebec. His guitar work can also be heard on recordings including the jazz-rock single Pause Button.
Whether appearing solo, in a duo, with a full band, or as part of a collaborative original music project, Adam brings the same musical sensitivity, professionalism, and attention to detail that have earned him repeat bookings across the province.
When he's not performing, Adam works one-on-one with adult guitar students, helping them build confidence, strengthen their musicianship, and develop a deeper understanding of the instrument.
Now booking throughout Ontario for:
• Solo acoustic performances
• Duo, trio, and full-band formats
• Weddings and private events
• Festivals and community events
• Resorts and hospitality venues
• Corporate functions and special occasions
Music that sets the tone, holds the room, and leaves a lasting impression.