NoMethodError in Songs#show

Showing /usr/local/apache2/htdocs/dsh/app/views/songs/show.html.erb where line #26 raised:

undefined method `price' for nil:NilClass

Extracted source (around line #26):

23: <h2 class="serviceTitle"><%= @song.title %></h2>
24: <div class="pricebox">
25: <p class="price_line">
26:   <span style="float:left;"><%= image_tag show_icon("ppt")%> <b>PPT Price:</b> <span class="free"><%= number_to_currency(@song.pricing.price) %></span> </span>
27: 	<% if admin? %>
28: 	<span style="color:red;font-size:small;">(<%= @song.pricing.category %> - <%= @song.pricing.comment %>)</span>
29: 	<% end %>

Rails.root: /usr/local/apache2/htdocs/dsh

Application Trace | Framework Trace | Full Trace
app/views/songs/show.html.erb:26:in `_app_views_songs_show_html_erb___1970194581_17244511700'
app/controllers/songs_controller.rb:52:in `show'

Request

Parameters:

{"id"=>"7936"}

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Response

Headers:

None