diff --git a/README.rdoc b/README.rdoc
index 142b2b7..00ecebd 100644
--- a/README.rdoc
+++ b/README.rdoc
@@ -7,17 +7,23 @@
 === Usage
 
     require 'musicbrainz'
+    
+    # Search for artists
+    @suggestions = MusicBrainz::Artist.search('Jet')
+    
+    # Find artist by name or mbid
+    @foo_fighters = MusicBrainz::Artist.find_by_name('Foo Fighters')
     @kasabian = MusicBrainz::Artist.find('69b39eab-6577-46a4-a9f5-817839092033')
+    
+    # Use them like ActiveRecord models
     @empire_tracks = @kasabian.release_groups[8].releases.first.tracks
 
-=== Future
-
-It should work all like ActiveRecord models.
-
 === Api
 
 MusicBrainzArtist
-
+    
+    @artists = MusicBrainz::Artist.search(query)
+    @artist = MusicBrainz::Artist.find_by_name(name)
     @artist = MusicBrainz::Artist.find(mbid)
     @artist.id
     @artist.type
diff --git a/VERSION b/VERSION
index 60a2d3e..44bb5d1 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.4.0
\ No newline at end of file
+0.4.1
\ No newline at end of file
diff --git a/lib/models/music_brainz.rb b/lib/models/music_brainz.rb
index ae65601..ae9268f 100644
--- a/lib/models/music_brainz.rb
+++ b/lib/models/music_brainz.rb
@@ -1,21 +1,14 @@
 module MusicBrainz
   @@last_query_time = 0
-  
-  def self.last_query_time
-    @@last_query_time
-  end
-  
-  def self.last_query_time= time
-    @@last_query_time = time
-  end
+  @@query_interval = 1.1
 
   def self.load url
-    sleep 1.1 - (Time.now.to_f - self.last_query_time) if Time.now.to_f - self.last_query_time < 1.1
+    sleep @@query_interval - (Time.now.to_f - @@last_query_time) if Time.now.to_f - @@last_query_time < @@query_interval
     response = nil
     5.times do
       begin
         response = open(url, "User-Agent" => "gem musicbrainz (https://github.com/magnolia-fan/musicbrainz) @ " + Socket.gethostname)
-        self.last_query_time = Time.now.to_f
+        @@last_query_time = Time.now.to_f
       rescue => e
         p "MusicBrainz: 503"
       end
@@ -23,10 +16,4 @@ module MusicBrainz
     end
     response
   end
-  
-  def self.discography mbid
-    artist = MusicBrainz::Artist.find(mbid)
-    artist.release_groups.each {|rg| rg.releases.each {|r| r.tracks } }
-    artist
-  end
 end
diff --git a/lib/models/music_brainz/artist.rb b/lib/models/music_brainz/artist.rb
index 6284fa6..03e78c4 100644
--- a/lib/models/music_brainz/artist.rb
+++ b/lib/models/music_brainz/artist.rb
@@ -30,6 +30,12 @@ module MusicBrainz
       @artist
     end
     
+    def self.discography mbid
+      artist = self.find(mbid)
+      artist.release_groups.each {|rg| rg.releases.each {|r| r.tracks } }
+      artist
+    end
+    
     def self.find_by_name name
       matches = self.search name
       matches.length.zero? ? nil : self.find(matches.first[:mbid])
diff --git a/musicbrainz.gemspec b/musicbrainz.gemspec
index 7c049a4..7424121 100644
--- a/musicbrainz.gemspec
+++ b/musicbrainz.gemspec
@@ -5,7 +5,7 @@
 
 Gem::Specification.new do |s|
   s.name = %q{musicbrainz}
-  s.version = "0.4.0"
+  s.version = "0.4.1"
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
   s.authors = [%q{Gregory Eremin}]