Abstract: An acoustic shell tower module of sound enhancing character assemblable with other such towers to form an orchestral shell, has a first sound enhancing panel mounted on a generally horizontally rearwardly extending counterweighting base. A second sound enhancing panel is mounted for vertical telescoping movement from a storage position, generally horizontally aligned with the first panel, upwardly to a raised position in which it extends above the first panel to form a sound reflecting and enhancing upper extension thereof, and a system is provided for easily raising and lowering the second panel and retaining it in raised position.