Play is EastWest's advanced 64-bit sample engine designed to power a wide range of high-quality sound libraries. It functions both as a standalone application and as a plug-in compatible with VST, Audio Units, and AAX formats, ensuring seamless integration with popular digital audio workstations on Windows 7+ and Mac OS X 10.7+. The interface adapts automatically to display custom controls for each instrument, providing a streamlined user experience that focuses on musical playability rather than complex programming.

The engine supports extensive memory usage, limited only by system RAM, allowing for massive instrument and voice loading capabilities. Its built-in Network Control feature enables loading and controlling instruments across multiple machines from a single host computer, eliminating the need for hardware switches or additional software. An intuitive browser consolidates all instruments in one place, offering quick auditioning, purchasing, and easy organization with favorites. The integrated security system uses iLok for straightforward authorization and portability, permitting use on multiple computers with up to 100 activations per key.

Play offers comprehensive control over articulations, allowing users to toggle expressions without navigating complicated patch names or key-switch charts. The included mic mixer facilitates precise adjustment of multiple microphone positions within instruments, enhancing the mixing process directly from the patch. A powerful effects engine provides high-quality reverbs and specialized effects, including the first Artificial Double Tracking software. Advanced sample streaming and playback technology optimize load times and system resources while maintaining pristine audio quality, making Play an intuitive and powerful tool for professional music production.