rpdecks

    def files
        # I think I will need to create an array of file names here of the files whose data I want to import
        @files = []
        Dir.entries(path).select do |file|
            if !File.directory?(file) && file.end_with?(".mp3")
            # why does if need to check file.directory?
                @files << file
            end
        end
    end

rpdecks

def artist_name=(name)
  self.artist = Artist.find_or_create_by_name(name)
  artist.add_song(self) #why not self.add_song(self)??
end