get similar artists from the last.fm api

gistfile1.rb

#http://ws.audioscrobbler.com/2.0/?method=artist.getsimilar&artist=cher&api_key=b25b959554ed76058ac220b7b2e0a026

require 'rubygems'
require 'hpricot'
require 'net/http'

HOST = "ws.audioscrobbler.com"
SITE = "/2.0"

def get_similar_artists(artist)
   request = Net::HTTP::Get.new("#{SITE}?method=artist.getsimilar&artist=#{artist}&api_key=b25b959554ed76058ac220b7b2e0a026")  
   Net::HTTP.start("#{HOST}", 80) do |http|
     (Hpricot(http.request(request).body)/'artist').collect do |artist|
        (artist/'name').inner_html rescue nil
      end
   end
end

get_similar_artists('cher')