BK Treble Choir

I do not have sufficient reliable knowledge about an organization named 'BK Treble Choir' with an unspecified location. Treble choirs, in general, typically consist of soprano and alto voices and may be associated with schools, churches, or community programs. Without specific location details like city or country, it's challenging to provide an accurate and detailed description of this particular choir. If the BK Treble Choir has regional or international recognition, further context would be needed to elaborate on its significance or notable achievements.