Boston Consulting Group (BCG) in association with FOCUS Adventure India Pvt Ltd organised the largest harmonica ensemble with 355 participants at the St Regis Hotel in Lower Parel, Mumbai on April 8, 2016. The attempt was part of an experiential workshop in which the employees from BCG were trained by Maressa B McCall from FOCUS Adventure India Pvt Ltd. The event was organised to celebrate BCG’s 20 years of presence in India.