Usage: /jsidplay2service/JSIDPlay2REST/songlength?[<servlet parameters>]

  Servlet Parameters:
    help, h
      Display usage
  * md5
      MD5 checksum
    songNumber
      Song number

  Example:
      HTTP(S)-GET https://haendel.ddns.net:8443/jsidplay2service/JSIDPlay2REST/songlength?help=false