New functions of SonicStage CP (SonicStage Ver.4.3). However, it is not compatible with Windows 7, Windows 8, and future Windows operating systems.įor customers of Hi-MD Walkman, Net MD Walkman, Walkman (NW-E,NW-A,NW-S, NW-HD,NW-MS) series, ATRAC CD Walkman, ATRAC CDCF, Boombox, and Micro Hi-Fi Systems, we provide the SonicStage CP (SonicStage Ver.4.3)Download Service.Please read carefully the following instructions. SonicStage CP is compatible with Windows Vista and older Windows operating systems. You can continue to use SonicStage CP if it is already installed on your computer with Windows Vista or older Windows operating systems. The download service, listed in the announcement below (originally posted on FEB/23/2007), the SonicStage CP (SonicStage Ver.4.3)Download Service has been terminated as of March 29, 2013. The SonicStage CP (SonicStage Ver4.3) software.