Band: Bevlyn (vocals), Mei (piano), Melvin (double bass) The event opened with a bang with the staff of IDS Medical System singing a song together, complete with choreography. When we say that they owned the stage, we meant it literally too because there were so many staff on the stage that evening, and everyone was so enthusiastic! Bevlyn was invited to perform at this prestigious event, with Meimei on piano and Melvin on double bass. …. but for the 2nd set…