diff --git a/engines/sherlock/resources.cpp b/engines/sherlock/resources.cpp
index 864622e74b7..4e10ba97c97 100644
--- a/engines/sherlock/resources.cpp
+++ b/engines/sherlock/resources.cpp
@@ -91,9 +91,12 @@ Resources::Resources(SherlockEngine *vm) : _vm(vm), _cache(vm) {
 	if (_vm->_interactiveFl) {
 		addToCache("vgs.lib");
 		addToCache("talk.lib");
-		addToCache("sequence.txt");
 		addToCache("journal.txt");
-		addToCache("portrait.lib");
+
+		if (IS_SERRATED_SCALPEL) {
+			addToCache("sequence.txt");
+			addToCache("portrait.lib");
+		}
 	}
 }
 
@@ -310,7 +313,7 @@ void Resources::decompressLZ(Common::SeekableReadStream &source, byte *outBuffer
 				lzWindowPos = (lzWindowPos + 1) & 0x0FFF;
 			}
 		}
-	} while ((outSize == -1 || outBuffer < outBufferEnd) || (inSize == -1 || source.pos() < endPos));
+	} while ((outSize == -1 || outBuffer < outBufferEnd) && (inSize == -1 || source.pos() < endPos));
 }
 
 /*----------------------------------------------------------------*/
diff --git a/engines/sherlock/scalpel/scalpel.cpp b/engines/sherlock/scalpel/scalpel.cpp
index ccc9c8abca6..7209c342186 100644
--- a/engines/sherlock/scalpel/scalpel.cpp
+++ b/engines/sherlock/scalpel/scalpel.cpp
@@ -390,13 +390,6 @@ void ScalpelEngine::initialize() {
 	_flags[3] = true;		// Turn on Alley
 	_flags[39] = true;		// Turn on Baker Street
 
-	// Add some more files to the cache
-	_res->addToCache("portrait.lib");
-	_res->addToCache("sequence.txt");
-	_res->addToCache("EPILOGUE.SND");
-	_res->addToCache("snd.snd");
-	_res->addToCache("title.snd");
-
 	if (!isDemo()) {
 		// Load the map co-ordinates for each scene and sequence data
 		_map->loadPoints(NUM_PLACES, &MAP_X[0], &MAP_Y[0], &MAP_TRANSLATE[0]);
diff --git a/engines/sherlock/scene.cpp b/engines/sherlock/scene.cpp
index 2c80bfbd39f..933e60d96d8 100644
--- a/engines/sherlock/scene.cpp
+++ b/engines/sherlock/scene.cpp
@@ -311,27 +311,32 @@ bool Scene::loadScene(const Common::String &filename) {
 			bgInfo[idx].load(*rrmStream);
 
 		// Read information
-		if (IS_SERRATED_SCALPEL) {
-			Common::SeekableReadStream *infoStream = !_lzwMode ? rrmStream :
-				res.decompress(*rrmStream, bgHeader._numStructs * 569 + bgHeader._descSize + bgHeader._seqSize);
+		if (IS_ROSE_TATTOO) {
+			// Load shapes
+			Common::SeekableReadStream *infoStream = !_lzwMode ? rrmStream : res.decompress(*rrmStream, bgHeader._numStructs * 625);
 
 			_bgShapes.resize(bgHeader._numStructs);
 			for (int idx = 0; idx < bgHeader._numStructs; ++idx)
-				_bgShapes[idx].load(*infoStream, false);
-
-			if (bgHeader._descSize) {
-				_descText.resize(bgHeader._descSize);
-				infoStream->read(&_descText[0], bgHeader._descSize);
-			}
-
-			if (bgHeader._seqSize) {
-				_sequenceBuffer.resize(bgHeader._seqSize);
-				infoStream->read(&_sequenceBuffer[0], bgHeader._seqSize);
-			}
+				_bgShapes[idx].load(*infoStream, _vm->getGameID() == GType_RoseTattoo);
 
 			if (_lzwMode)
 				delete infoStream;
+
+			// Load description text
+			_descText.resize(bgHeader._descSize);
+			if (_lzwMode)
+				res.decompress(*rrmStream, (byte *)&_descText[0], bgHeader._descSize);
+			else
+				rrmStream->read(&_descText[0], bgHeader._descSize);
+
+			// Load sequences
+			_sequenceBuffer.resize(bgHeader._seqSize);
+			if (_lzwMode)
+				res.decompress(*rrmStream, &_sequenceBuffer[0], bgHeader._seqSize);
+			else
+				rrmStream->read(&_sequenceBuffer[0], bgHeader._seqSize);
 		} else if (!_lzwMode) {
+			// Serrated Scalpel uncompressed info
 			_bgShapes.resize(bgHeader._numStructs);
 			for (int idx = 0; idx < bgHeader._numStructs; ++idx)
 				_bgShapes[idx].load(*rrmStream, false);
@@ -346,6 +351,7 @@ bool Scene::loadScene(const Common::String &filename) {
 				rrmStream->read(&_sequenceBuffer[0], bgHeader._seqSize);
 			}
 		} else {
+			// Serrated Scalpel compressed info
 			Common::SeekableReadStream *infoStream;
 
 			// Read shapes
diff --git a/engines/sherlock/sound.cpp b/engines/sherlock/sound.cpp
index 06f6a0f264c..b8fe61dd29b 100644
--- a/engines/sherlock/sound.cpp
+++ b/engines/sherlock/sound.cpp
@@ -68,11 +68,16 @@ Sound::Sound(SherlockEngine *vm, Audio::Mixer *mixer) : _vm(vm), _mixer(mixer) {
 		_vm->_res->addToCache("TITLE.SND");
 	else {
 		_vm->_res->addToCache("MUSIC.LIB");
-		_vm->_res->addToCache("SND.SND");
+		
+		if (IS_ROSE_TATTOO) {
+			_vm->_res->addToCache("SOUND.LIB");
+		} else {
+			_vm->_res->addToCache("SND.SND");
 
-		if (!_vm->isDemo()) {
-			_vm->_res->addToCache("TITLE.SND");
-			_vm->_res->addToCache("EPILOGUE.SND");
+			if (!_vm->isDemo()) {
+				_vm->_res->addToCache("TITLE.SND");
+				_vm->_res->addToCache("EPILOGUE.SND");
+			}
 		}
 	}
 }
diff --git a/engines/sherlock/tattoo/tattoo.cpp b/engines/sherlock/tattoo/tattoo.cpp
index 3c684ff3ee9..9039e3f9d47 100644
--- a/engines/sherlock/tattoo/tattoo.cpp
+++ b/engines/sherlock/tattoo/tattoo.cpp
@@ -44,7 +44,6 @@ void TattooEngine::initialize() {
 
 	// Add some more files to the cache
 	_res->addToCache("walk.lib");
-	_res->addToCache("sound.lib");
 
 	// Starting scene
 	_scene->_goToScene = 91;