MC-307 更新 & 驱动 MC-307 System Update Version 1.03 This is the latest version of the MC-307 operating system. Please refer to the "MC-307 System Update Procedure.pdf" document included in this download for the update procedure. 支持文档 MC-307 Rhythm Kit List MC-307 TurboStart MC-307 Patch List MC-307 Pattern List
