======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '134'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'Music! The Berlin Phonogramm-Archiv 1900-2000'
                                           'title'  'Music for the Lela Celebration (Bali, Cameroon, 1908)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-2', 'Q-LOCALNESS-3', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '23'
                                      'tracktotal'  '42'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '140.8'
                                             'key'  '5A'
                                        'acoustid'  '8154802f-d4bd-41df-94d2-fdb9cafdec83'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Music! The Berlin Phonogramm-Archiv 1900-2000'
'TBPM' (BPM (beats per minute))                     '140.8'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000-06-11'
'TIT2' (Title/songname/content description)         'Music for the Lela Celebration (Bali, Cameroon, 1908)'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/4'
'TPUB' (Publisher)                                  'WERGO'
'TRCK' (Track number/Position in set)               '23/42'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       '[unknown]'
'TSST' (Set subtitle)                               'Wax Cylinder Recordings 1893-1954'
'TXXX:ASIN'                                         'B00004YUCI'
'TXXX:Acoustid Id'                                  '8154802f-d4bd-41df-94d2-fdb9cafdec83'
'TXXX:Artists'                                      '[unknown]'
'TXXX:BARCODE'                                      '4010228170122'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '4c4fa0e1-0593-43e8-98e7-c1a88976a4a3'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Artist Id'                        '125ec42a-7229-4250-afc5-e057484327fe'
'TXXX:MusicBrainz Release Group Id'                 '973c39f1-1c5e-35f6-9972-9f81ee206236'
'TXXX:MusicBrainz Release Track Id'                 '6811b797-cfb8-3b7a-aeca-b90187f96e1c'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:originalyear'                                 '2000'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.58 dB'
'TXXX:replaygain_track_peak'                        '0.515031'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a8ff70cf-3a6b-4f3a-b194-db1c3340ccdc')

========================== row from database ==========================
                                              'id'  471724
                                            'path'  /data/Music/Bulk/00localcharacter/VA. World 1： Trad/Berlin Phonogramm Archiv - Wax Cylinder Recordings (1893-1954) [192k]/23-anon_(bali-cameroon_1908)-music_for_the_lela_celebration.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  134
                                           'genre'  loc-unsorted
                                        'filesize'  3297091
                                           'mtime'  1621629862
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter VA. World 1： Trad Wax Cylinder Recordings (1893 1954) [192k] 23 anon_(bali cameroon_1908) music_for_the_lela_celebration loc unsorted
                                      'tag_artist'  [unknown]
                                     'tag_release'  Music! The Berlin Phonogramm-Archiv 1900-2000
                                       'tag_title'  Music for the Lela Celebration (Bali, Cameroon, 1908)
                                             'bpm'  140.8
                                    'search_title'  '1908':10,11 'bali':6,7 'cameroon':8,9 'celebration':5 'for':2 'lela':4 'music':1 'the':3
                                   'search_artist'  'unknown':1,2
                                  'search_release'  '1900':7 '19002000':9 '2000':8 'archiv':5 'berlin':3 'music':1 'phonogramm':4 'phonogrammarchiv':6 'the':2
                                     'search_rest'  '1':4,5,6 '1893':11,12 '1908':23,25 '192k':15,16 '1954':13,14 '23':17 'anon':18,20 'bali':19,21 'cameroon':22,24 'celebration':30 'cylinder':9 'for':27 'lela':29 'loc':31 'music':26 'recordings':10 'the':28 'trad':7 'unsorted':32 'va':1,2 'wax':8 'world':3
                                    'search_combo'  '1':26,27,28 '1893':33,34 '1900':20C '19002000':22C '1908':10A,11A,45,47 '192k':37,38 '1954':35,36 '2000':21C '23':39 'anon':40,42 'archiv':18C 'bali':6A,7A,41,43 'berlin':16C 'cameroon':8A,9A,44,46 'celebration':5A,52 'cylinder':31 'for':2A,49 'lela':4A,51 'loc':53 'music':1A,14C,48 'phonogramm':17C 'phonogrammarchiv':19C 'recordings':32 'the':3A,15C,50 'trad':29 'unknown':12B,13B 'unsorted':54 'va':23,24 'wax':30 'world':25
                                    'tag_tracknum'  23
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629862.3719103  (2021-05-21 22:44:22)
                             'size'  3297091