tracks = FasterCSV.read('Audit_ISRC.csv')[1..-1]
missing, correct, incorrect = [], [], []
tracks.each do |csv|
  t = Track.find_by_isrc(csv[1])
  if t.nil?
    missing << "Couldn't find track #{csv[1]}"
  else
    d = t.track_length.to_i - csv[14].to_i
    if d == 0
      correct << "ISRC #{csv[1]} duration correct"
    else
      incorrect << "ISRC #{csv[1]} db duration off by #{d}s"
    end
  end
end && nil

puts correct.join "\n"
puts missing.join "\n"
puts incorrect.join "\n"