diff --git a/stepmania/src/MsdFile.cpp b/stepmania/src/MsdFile.cpp
index 594f43fa37..fdbdeac583 100644
--- a/stepmania/src/MsdFile.cpp
+++ b/stepmania/src/MsdFile.cpp
@@ -149,6 +149,15 @@ bool MsdFile::ReadFile( CString sNewPath )
 	return true;
 }
 
+void MsdFile::ReadFromString( const CString &sString )
+{
+	/* Be careful.  ReadBuf modifies the buffer given to it. */
+	char *pCopy = new char[sString.size()];
+	memcpy( pCopy, sString.data(), sString.size() );
+	ReadBuf( pCopy, sString.size() );
+	delete [] pCopy;
+}
+
 CString MsdFile::GetParam(unsigned val, unsigned par) const
 {
 	if(val >= GetNumValues()) return "";
diff --git a/stepmania/src/MsdFile.h b/stepmania/src/MsdFile.h
index 0ea1456613..49bd7b9261 100644
--- a/stepmania/src/MsdFile.h
+++ b/stepmania/src/MsdFile.h
@@ -18,6 +18,8 @@ public:
 
 	// Returns true if successful, false otherwise.
 	bool ReadFile( CString sFilePath );
+	void ReadFromString( const CString &sString );
+
 	CString GetError() const { return error; }
 
 	unsigned GetNumValues() const { return values.size(); }