Getting Metadata From Artist & Song Title Without Uploading or Fingerprinting

All of those fields are from an MP3 file's ID3 metadata tags, stored in the file. Our database could not return the bitrate of your own collection, as we don't have it. There are many pieces of software available that can return the ID3 tags of your collection. The ENMFP and Echoprint code generators use TagLib: http://taglib.github.io/