diff -r bdd9da0d70fe -r 1f1dad4af8f8 mpxplugins/serviceplugins/collectionplugins/mpxsqlitedbhgplugin/inc/mpxdbhandler.h
--- a/mpxplugins/serviceplugins/collectionplugins/mpxsqlitedbhgplugin/inc/mpxdbhandler.h	Wed Sep 15 12:09:46 2010 +0300
+++ b/mpxplugins/serviceplugins/collectionplugins/mpxsqlitedbhgplugin/inc/mpxdbhandler.h	Wed Oct 13 14:28:40 2010 +0300
@@ -65,6 +65,7 @@
 class CMPXDbHandler :
     public CBase,
     public MMPXDbMusicObserver,
+    public MMPXDbArtistObserver,
     public MMPXDbAlbumObserver,
 	public MMPXDbPlaylistObserver
     {
@@ -663,6 +664,11 @@
         void ReCreateDatabasesL();
 
         /**
+        * Recreate a specified database file.
+        */
+        void RecreateDatabaseFileL( TInt aDrive );
+                
+        /**
         * Starts a refresh operation.
         */
         void RefreshStartL();
@@ -1008,30 +1014,39 @@
 
     private:    // From MMPXDbMusicObserver
 
+#ifdef ABSTRACTAUDIOALBUM_INCLUDED
         /**
         * @see MMPXDbMusicObserver
         */
-#ifdef ABSTRACTAUDIOALBUM_INCLUDED
-       virtual TUint32 AddAbstractAlbumItemL(const TDesC& aName, 
-            TInt aDriveId, CMPXMessageArray* aItemChangedMessages, TBool& aItemExist,
-            const TDesC& aUri, const TDesC& aAlbumArtist=KNullDesC);
-#endif // ABSTRACTAUDIOALBUM_INCLUDED
-
-       virtual TUint32 AddCategoryItemL(TMPXGeneralCategory aCategory, const CMPXMedia& aMedia,       
-            TInt aDrive, CMPXMessageArray* aItemChangedMessages, TBool& aItemExist);
-       
-       virtual void UpdateCategoryItemL(TMPXGeneralCategory aCategory, TUint32 aCategoryId,
-            const CMPXMedia& aMedia, TInt aDrive, CMPXMessageArray* aItemChangedMessages);
-
-       virtual TUint32 GenerateUniqueIdForAlbumL(const CMPXMedia& aMedia);
-       
-       virtual TBool IsUnknownAlbumL(const TUint32 aId);
+        virtual TUint32 AddCategoryItemL(TMPXGeneralCategory aCategory,
+            const TDesC& aName,
+            TInt aDriveId,
+            CMPXMessageArray* aItemChangedMessages, TBool& aItemExist,
+            const TDesC& aUri,
+            const TDesC& aAlbumArtist=KNullDesC);
+#else
 
         /**
         * @see MMPXDbMusicObserver
         */
-        virtual void DeleteSongForCategoryL(TMPXGeneralCategory aCategory, TUint32 aCategoryId,
-            TInt aDrive, CMPXMessageArray* aItemChangedMessages, TBool& aItemExist, const TDesC& aArt = KNullDesC);
+        virtual TUint32 AddCategoryItemL(TMPXGeneralCategory aCategory,
+            const TDesC& aName, TInt aDriveId,
+            CMPXMessageArray* aItemChangedMessages, TBool& aItemExist);
+#endif // ABSTRACTAUDIOALBUM_INCLUDED
+
+       virtual TUint32 AddCategoryItemL(TMPXGeneralCategory aCategory, const TDesC& aName,
+           const TDesC& aArtistName, const TDesC& aArt,
+            TInt aDrive, CMPXMessageArray* aItemChangedMessages, TBool& aItemExist);
+
+       virtual void UpdateCategoryItemL(TMPXGeneralCategory aCategory, TUint32 aCategoryId,
+            const CMPXMedia& aMedia, TInt aDrive, CMPXMessageArray* aItemChangedMessages);
+
+        /**
+        * @see MMPXDbMusicObserver
+        */
+        virtual void DeleteSongForCategoryL(TMPXGeneralCategory aCategory,
+            TUint32 aCategoryId, TInt aDriveId, CMPXMessageArray* aItemChangedMessages,
+            TBool& aItemExist);
 
         /**
         * @see MMPXDbMusicObserver
@@ -1048,35 +1063,41 @@
         */
         virtual HBufC* HandleGetAlbumNameFromIdL(TUint32 aId);
 #endif // ABSTRACTAUDIOALBUM_INCLUDED
+    private:    // From MMPXDbArtistObserver
+    /**
+    * @see MMPXDbArtistObser
+    */
+        virtual TInt HandleGetAlbumsCountForArtistL(TUint32 aArtistId);
+
+    private:    // From MMPXDbAlbumObserver
+    /**
+    * @see MMPXDbAlbumObserver
+    */
+    virtual TBool HandleIsUnknownArtistL(TUint32 aArtistId);
+    /**
+    * Get the Artistname of song which belongs to the specified Album.     
+    * @param aId, The Album ID.
+	* @returns alternative artistname retrieved in the specified Album.
+    */
+    virtual HBufC* HandleArtistForAlbumL(const TUint32 aAlbumId);
         
-    private:    // From MMPXDbAlbumObserver   
-        /**
-        * Get the Albumart of song which belongs to the specified Album.     
-        * @param aId, The Album ID.
-        * @param aArt, the AlbumArt uri.
-	    * @returns alternative albumart retrieved in the specified Album.
-        */
-        virtual HBufC* HandleAlbumartForAlbumL(const TUint32 aAlbumId, TPtrC aArt);
-       
-        /**
-        * @see MMPXDbAlbumObserver
-        */
-        virtual void DeleteAlbumForArtistL(TUint32 aCategoryId,
-            TInt aDrive, CMPXMessageArray* aItemChangedMessages);
-
-        /**
-        * @see MMPXDbAlbumObserver
-        */
-        virtual TUint32 AddAlbumArtistL(const TDesC& aName, const TDesC& aArt, TInt aDriveId);       
+    /**
+    * Get the Albumart of song which belongs to the specified Album.     
+    * @param aId, The Album ID.
+    * @param aArt, the AlbumArt uri.
+	* @returns alternative albumart retrieved in the specified Album.
+    */
+    virtual HBufC* HandleAlbumartForAlbumL(const TUint32 aAlbumId, TPtrC aArt);
 
     private:	// From MMPXDbPlaylistObserver
-	    /**
-	    * @see MMPXDbPlaylistObserver
-	    */
+	/**
+	* @see MMPXDbPlaylistObserver
+	*/
 		virtual TInt HandlePlaylistDurationL(TUint32 aPlaylistId);
         virtual void HandlePlaylistInfoL(TUint32 aPlaylistId, TInt& aCount, TInt& aDuration);
 
     private:
+
         /**
         * C++ constructor.
         * @param file session