======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '219'
                                          'artist'  'Jega'
                                     'text_people'  ''
                                         'release'  'Variance'
                                           'title'  'Cascade Decoherence'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'drum and bass', 'idm', 'electronic', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '9'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '129.813'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Variance'
'TBPM' (BPM (beats per minute))                     '129.813'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '2009'
'TDRC' (Recording time)                             '2009-07-20'
'TIT2' (Title/songname/content description)         'Cascade Decoherence'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Jega'
'TPE2' (Band/orchestra/accompaniment)               'Jega'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'Planet Mu'
'TRCK' (Track number/Position in set)               '4/9'
'TSO2'                                              'Jega'
'TSOP' (Performer sort order)                       'Jega'
'TSST' (Set subtitle)                               'Variance, Volume 2'
'TXXX:ASIN'                                         'B002APNC30'
'TXXX:BARCODE'                                      '600116802422'
'TXXX:CATALOGNUMBER'                                'ZIQ024CD'
'TXXX:MusicBrainz Album Artist Id'                  '6b43e5f2-49e8-46ce-94cb-a9b23e5bb4e8'
'TXXX:MusicBrainz Album Id'                         '41de219e-3f16-4c65-88a7-623fe1b1ffde'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '6b43e5f2-49e8-46ce-94cb-a9b23e5bb4e8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'drum and bass', 'idm', 'electronic', 'ambient']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.06 dB'
'TXXX:replaygain_track_peak'                        '0.385080'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ce629e93-11e3-418f-b4cb-61eb3d0d01bd')

========================== row from database ==========================
                                              'id'  1362283
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Jega/13. Jega - Cascade Decoherence.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  219
                                           'genre'  electronic
                                        'filesize'  8767707
                                           'mtime'  1636913169
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer 13. electronic
                                      'tag_artist'  Jega
                                     'tag_release'  Variance
                                       'tag_title'  Cascade Decoherence
                                             'bpm'  129.813
                                    'search_title'  'cascade':1 'decoherence':2
                                   'search_artist'  'jega':1
                                  'search_release'  'variance':1
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 '13':3,4 'electronic':5
                                    'search_combo'  '00calmer':6 '00poprockelectronic':5 '13':7,8 'cascade':1A 'decoherence':2A 'electronic':9 'jega':3B 'variance':4C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['electronica', 'drum and bass', 'idm', 'electronic', 'ambient']
                                        'tag_date'  2009
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636913168.884809  (2021-11-14 19:06:08)
                             'size'  8767707