MEINL Byzance - 17"/18" Artist Concept Model - Matt Halpern - Double Down Stack. The Artist Concept Models are a collection of cymbal voices.They are the product of Meinl Cymbal Artists and the Meinl R&D team.The goal was to craft unique and innovative sounds that allowethe artist to explore, create and forge ahead as leaders inacoustic music and in the art of drumming.