diff --git a/IF.Lastfm.Core/Api/IAlbumApi.cs b/IF.Lastfm.Core/Api/IAlbumApi.cs
index f656590..b706fb4 100644
--- a/IF.Lastfm.Core/Api/IAlbumApi.cs
+++ b/IF.Lastfm.Core/Api/IAlbumApi.cs
@@ -47,8 +47,8 @@ Task<ListResponse<Shout>> GetShoutsForAlbumWithMbidAsync(string mbid,
 
         #region album.getTags
 
-        Task<ListResponse<Tag>> GetUserTagsForAlbumAsync(string artist, string album, bool autocorrect = false);
-        Task<ListResponse<Tag>> GetUserTagsForAlbumWithMbidAsync(string mbid, bool autocorrect = false);
+        Task<ListResponse<Tag>> GetUserTagsForAlbumAsync(string artist, string album, string username, bool autocorrect = false);
+        Task<ListResponse<Tag>> GetUserTagsForAlbumWithMbidAsync(string mbid, string username, bool autocorrect = false);
 
         #endregion
 
diff --git a/IF.Lastfm.Core/Api/IArtistApi.cs b/IF.Lastfm.Core/Api/IArtistApi.cs
new file mode 100644
index 0000000..73effab
--- /dev/null
+++ b/IF.Lastfm.Core/Api/IArtistApi.cs
@@ -0,0 +1,64 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using IF.Lastfm.Core.Api.Helpers;
+using IF.Lastfm.Core.Objects;
+
+namespace IF.Lastfm.Core.Api
+{
+    public interface IArtistApi
+    {
+        IAuth Auth { get; }
+
+        #region artist.getInfo
+
+        Task<LastResponse<Artist>> GetArtistInfoAsync(string artist, string bioLang = LastFm.DefaultLanguageCode,
+            bool autocorrect = false);
+
+        Task<LastResponse<Artist>> GetArtistInfoWithMbidAsync(string mbid, string bioLang = LastFm.DefaultLanguageCode,
+            bool autocorrect = false);
+
+        #endregion
+
+        #region artist.getTopAlbums
+
+        Task<ListResponse<Album>> GetTopAlbumsForArtistAsync(string artist,
+            bool autocorrect = false,
+            int page = 1,
+            int itemsPerPage = LastFm.DefaultPageLength);
+
+        Task<ListResponse<Album>> GetTopAlbumsForArtistWithMbidAsync(string mbid,
+            bool autocorrect = false,
+            int page = 1,
+            int itemsPerPage = LastFm.DefaultPageLength);
+
+        #endregion
+
+        #region artist.getTags
+
+        Task<ListResponse<Tag>> GetUserTagsForArtistAsync(string artist,
+            string username,
+            bool autocorrect = false,
+            int page = 1,
+            int itemsPerPage = LastFm.DefaultPageLength);
+
+        Task<ListResponse<Tag>> GetUserTagsForArtistWithMbidAsync(string mbid,
+            string username,
+            bool autocorrect = false,
+            int page = 1,
+            int itemsPerPage = LastFm.DefaultPageLength);
+
+        #endregion
+
+        #region artist.getTopTags
+
+        Task<ListResponse<Tag>> GetTopTagsForArtistAsync(string artist, bool autocorrect = false);
+
+        Task<ListResponse<Tag>> GetTopTagsForArtistWithMbidAsync(string mbid, bool autocorrect = false);
+
+        #endregion
+
+    }
+}
diff --git a/IF.Lastfm.Core/IF.Lastfm.Core.csproj b/IF.Lastfm.Core/IF.Lastfm.Core.csproj
index ecda128..d5f10c2 100644
--- a/IF.Lastfm.Core/IF.Lastfm.Core.csproj
+++ b/IF.Lastfm.Core/IF.Lastfm.Core.csproj
@@ -46,6 +46,7 @@
     <Compile Include="Api\Helpers\LastResponse.cs" />
     <Compile Include="Api\Helpers\ListResponse.cs" />
     <Compile Include="Api\IAlbumApi.cs" />
+    <Compile Include="Api\IArtistApi.cs" />
     <Compile Include="Api\IUserApi.cs" />
     <Compile Include="Api\Enums\LastStatsTimeSpan.cs" />
     <Compile Include="Api\Helpers\LastResponse{T}.cs" />
@@ -57,6 +58,7 @@
     <Compile Include="Api\Enums\LastFmApiError.cs" />
     <Compile Include="Api\Helpers\LastFmApiException.cs" />
     <Compile Include="Objects\Album.cs" />
+    <Compile Include="Objects\Artist.cs" />
     <Compile Include="Objects\BuyLink.cs" />
     <Compile Include="Objects\CountryCode.cs" />
     <Compile Include="Objects\Shout.cs" />
diff --git a/IF.Lastfm.Core/LastFm.cs b/IF.Lastfm.Core/LastFm.cs
index b12224c..dee00b4 100644
--- a/IF.Lastfm.Core/LastFm.cs
+++ b/IF.Lastfm.Core/LastFm.cs
@@ -19,6 +19,7 @@ public class LastFm : ILastFm
 
         private const string ResponseFormat = "json";
 
+        public const string DefaultLanguageCode = "en";
         public const int DefaultPageLength = 20;
         
         #endregion
diff --git a/IF.Lastfm.Core/Objects/Artist.cs b/IF.Lastfm.Core/Objects/Artist.cs
new file mode 100644
index 0000000..61704ed
--- /dev/null
+++ b/IF.Lastfm.Core/Objects/Artist.cs
@@ -0,0 +1,6 @@
+namespace IF.Lastfm.Core.Objects
+{
+    public class Artist
+    {
+    }
+}
\ No newline at end of file