diff --git a/desktop_version/src/BinaryBlob.cpp b/desktop_version/src/BinaryBlob.cpp
index c46c5261..f099ad21 100644
--- a/desktop_version/src/BinaryBlob.cpp
+++ b/desktop_version/src/BinaryBlob.cpp
@@ -173,3 +173,19 @@ char* binaryBlob::getAddress(int _index)
 {
 	return m_memblocks[_index];
 }
+
+std::vector<int> binaryBlob::getExtra()
+{
+	std::vector<int> result;
+	for (int i = 0; i < 128; i += 1)
+	{
+		if (m_headers[i].valid
+#define FOREACH_TRACK(track_name) && strcmp(m_headers[i].name, track_name) != 0
+		TRACK_NAMES
+#undef FOREACH_TRACK
+		) {
+			result.push_back(i);
+		}
+	}
+	return result;
+}
diff --git a/desktop_version/src/BinaryBlob.h b/desktop_version/src/BinaryBlob.h
index 50137bbc..b2e933c9 100644
--- a/desktop_version/src/BinaryBlob.h
+++ b/desktop_version/src/BinaryBlob.h
@@ -1,6 +1,8 @@
 #ifndef BINARYBLOB_H
 #define BINARYBLOB_H
 
+#include <vector>
+
 /* Laaaazyyyyyyy -flibit */
 // #define VVV_COMPILEMUSIC
 
@@ -47,6 +49,8 @@ public:
 
 	int getSize(int _index);
 
+	std::vector<int> getExtra();
+
 	char* getAddress(int _index);
 
 	void clear();