#include DEFINE_GUID(CLSID_XAudio2, 0xe21a7345, 0xeb21, 0x468e, 0xbe, 0x50, 0x80, 0x4d, 0xb9, 0x7c, 0xf7, 0x08); DEFINE_GUID(CLSID_XAudio2_Debug, 0xf7a76c21, 0x53d4, 0x46bb, 0xac, 0x53, 0x8b, 0x45, 0x9c, 0xae, 0x46, 0xbd); DEFINE_GUID(IID_IXAudio2, 0x8bcf1f58, 0x9fe7, 0x4583, 0x8a, 0xc6, 0xe2, 0xad, 0xc4, 0x65, 0xc8, 0xbb);