diff --git a/app/assets/javascripts/player.coffee b/app/assets/javascripts/player.coffee
index b1ce5b3..f660f71 100644
--- a/app/assets/javascripts/player.coffee
+++ b/app/assets/javascripts/player.coffee
@@ -91,9 +91,9 @@ class window.Player
     _vk_music.search track.artist, track.name, track.length, (audio) ->
       if audio is null
         _session.query '/track/report', { id: track.id }, (r) ->
-          if r.status is 'success'
-            $('.playlist li[data-id="'+track.id+'"]').addClass("unavailable")
-            $($('.album div[data-id="'+track.id+'"]').siblings()[0]).addClass("unavailable")
+          if r.result is 'success'
+            $(".playlist li[data-id='#{track.id}']").addClass("unavailable")
+            $($(".album div[data-id='#{track.id}']").siblings()[0]).addClass("unavailable")
         _player.setTrack _player.nextTrack()
       else
         _player.playSource audio.url
@@ -103,18 +103,15 @@ class window.Player
           s = len - Math.floor(len / 60) * 60
           duration = m + ':' + (if s < 10 then '0' else '') + s
           _session.query '/track/update_length', { track_id: track.id, length: len }, (r) ->
-            if r.status is 'success'
-              $('.playlist li[data-id="'+track.id+'"] .song-duration').text(duration)
-              $($('.album div[data-id="'+track.id+'"]').siblings()[0]).text(duration)
+            if r.result is 'success'
+              $(".playlist li[data-id='#{track.id}'] .song-duration").text(duration)
+              $($(".album div[data-id='#{track.id}']").siblings()[0]).text(duration)
         _player.updateNowListening track
       false
     false
   
   getTrackInfo: (id) ->
-    for track in _player.playlist
-      if parseInt(track.id, 10) == parseInt(id, 10)
-        return track
-    false
+    @library[id]
   
   getAlbumInfo: (id) ->
     for album in _player.albums
diff --git a/app/assets/javascripts/vksearch/vkontakte_search.coffee b/app/assets/javascripts/vksearch/vkontakte_search.coffee
index e21d360..240897f 100644
--- a/app/assets/javascripts/vksearch/vkontakte_search.coffee
+++ b/app/assets/javascripts/vksearch/vkontakte_search.coffee
@@ -59,7 +59,7 @@ class window.VkontakteMusic
     data
   
   prepareQuery: (artist, track) ->
-    artist+" "+this.trim(/[\w\d\s]+/.exec(track)[0]).replace(/\(.*\)/i, '').split('/')[0]
+    artist+" "+this.trim(/[a-zA-Zа-яА-Я0-9\s-]+/.exec(track)[0]).replace(/\(.*\)/i, '').split('/')[0]
   
   trim: (str) ->
     while str.indexOf('  ') isnt -1
diff --git a/app/controllers/artist_controller.rb b/app/controllers/artist_controller.rb
index 602a069..6a7f6f4 100644
--- a/app/controllers/artist_controller.rb
+++ b/app/controllers/artist_controller.rb
@@ -32,7 +32,7 @@ class ArtistController < ApplicationController
       title: @artist.name,
       status: @artist.status_str,
       callback: {object: :player, action: :updateLibrary},
-      cache_for: 1.day
+      cache_for: (1.day if @artist.status_str == "ok")
     )
   end
   
diff --git a/app/models/music/album.rb b/app/models/music/album.rb
index 1350216..bcf8ad3 100644
--- a/app/models/music/album.rb
+++ b/app/models/music/album.rb
@@ -5,6 +5,7 @@ class Album < ActiveRecord::Base
   has_many :release_formats, :through => :album_formats
   
   default_scope where(:master => true)
+  after_save :clear_artist_cache
   
   def self.with_format f
     joins(:release_formats).where(:release_formats => { :hash => f.to_s })
@@ -18,4 +19,10 @@ class Album < ActiveRecord::Base
       tracks: tracks.map(&:serialize)
     }
   end
+  
+private
+
+  def clear_artist_cache
+    artist.clear_cache
+  end
 end
diff --git a/app/models/music/artist.rb b/app/models/music/artist.rb
index 7c3779c..403a91b 100644
--- a/app/models/music/artist.rb
+++ b/app/models/music/artist.rb
@@ -6,6 +6,7 @@ class Artist < ActiveRecord::Base
   has_many :playlists
   
   after_initialize :prepare_description
+  after_save :clear_cache
   
   def status_str
     %w(loading ok fail)[self.status]
diff --git a/app/models/music/track.rb b/app/models/music/track.rb
index 8ceceb2..007cc4a 100644
--- a/app/models/music/track.rb
+++ b/app/models/music/track.rb
@@ -4,6 +4,8 @@ class Track < ActiveRecord::Base
   has_many :artists, :through => :track_artists
   has_many :playlist_items
   
+  after_save :clear_artist_cache
+  
   def duration
     if self.length
       time = self.length
@@ -28,4 +30,10 @@ class Track < ActiveRecord::Base
       album_pic: album.pic_url
     }
   end
+  
+private
+
+  def clear_artist_cache
+    artists.each(&:clear_cache)
+  end
 end
diff --git a/lib/discogs.rb b/lib/discogs.rb
index a887f79..df2dfc3 100644
--- a/lib/discogs.rb
+++ b/lib/discogs.rb
@@ -155,7 +155,7 @@ class Discogs
         }
       end
     end
-    ap albums
+    albums
   end
   
   def self.search_for_artist name