======================== unified (from filesystem) ========================
                                         'bitrate'  '197.063'
                                        'duration'  '234'
                                          'artist'  'The Prodigy'
                                     'text_people'  'Maxim/Liam Howlett/Tim Hutton'
                                         'release'  'Kick-Ass: Music From the Motion Picture'
                                           'title'  'Omen'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['industrial', 'dance', 'techno', 'electronic', 'electronica']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '14'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-movies'
                                             'bpm'  '140.433'
                                             'key'  '10A'
                                        'acoustid'  '40eff2ef-6b38-4603-a49a-2fa38ce3dab1'
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Kick-Ass: Music From the Motion Picture'
'TBPM' (BPM (beats per minute))                     '140.433'
'TCMP'                                              '1'
'TCOM' (Composer)                                   'Maxim/Liam Howlett/Tim Hutton'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-movies'
'TDRC' (Recording time)                             '2010-03-29'
'TIT2' (Title/songname/content description)         'Omen'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Prodigy'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '5/14'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Prodigy, The'
'TXXX:ASIN'                                         'B003AIEOBK'
'TXXX:Acoustid Id'                                  '40eff2ef-6b38-4603-a49a-2fa38ce3dab1'
'TXXX:BARCODE'                                      '602527349237'
'TXXX:CATALOGNUMBER'                                '2734923'
'TXXX:LABEL'                                        'Polydor'
'TXXX:MEDIA'                                        'CD'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'cf38f635-a306-4026-ac13-4d0eb4785d37'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'soundtrack'
'TXXX:MusicBrainz Artist Id'                        '4a4ee089-93b1-4470-af9a-6ff575d32704'
'TXXX:MusicBrainz Track Id'                         '4c832574-b78a-4350-ba9f-ba755dfeda99'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:iTunes_CDDB_IDs'                              '14+E7D7D25ABAF2ACB9F8581F9E66EAF19C+14881494'
'TXXX:lastfmtags'                                   ['industrial', 'dance', 'techno', 'electronic', 'electronica']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.11 dB'
'TXXX:replaygain_track_peak'                        '0.379179'
'TXXX:tempo'                                        '00000 BPM'

========================== row from database ==========================
                                              'id'  1110640
                                            'path'  /data/Music/Bulk/0soundtrack/Kick-Ass_ Music From The Motion Picture/05 Prodigy - Omen.mp3
                                         'working'  None
                                         'bitrate'  197
                                    'duration_sec'  234
                                           'genre'  soundtrack-video-movies
                                        'filesize'  5826314
                                           'mtime'  1621696921
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Ass_ 05 soundtrack video movies
                                      'tag_artist'  The Prodigy
                                     'tag_release'  Kick-Ass: Music From the Motion Picture
                                       'tag_title'  Omen
                                             'bpm'  140.433
                                    'search_title'  'omen':1
                                   'search_artist'  'prodigy':2 'the':1
                                  'search_release'  'ass':2 'from':5 'kick':1 'kickass':3 'motion':7 'music':4 'picture':8 'the':6
                                     'search_rest'  '0soundtrack':1 'ass':2 'movies':5 'soundtrack':3 'video':4
                                    'search_combo'  '0soundtrack':12 'ass':5C,13 'from':8C 'kick':4C 'kickass':6C 'motion':10C 'movies':16 'music':7C 'omen':1A 'picture':11C 'prodigy':3B 'soundtrack':14 'the':2B,9C 'video':15
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'dance', 'techno', 'electronic', 'electronica']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696920.8990533  (2021-05-22 17:22:00)
                             'size'  5826314