👉 Bouleuterion is a term used in classical music, particularly in the context of string quartets and chamber ensembles. The term refers to a soloist who plays a single instrument or piece of music, often a cello, on top of a larger ensemble. In a bouleuterion, the soloist typically holds a position at the front of the orchestra, while the rest of the players are positioned behind them and in between. This arrangement is used to create a sense of