======================== unified (from filesystem) ========================
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                                        'duration'  '418'
                                          'artist'  'Korpiklaani'
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                                           'title'  'Vesilahden verdjilld'
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 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
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                                      'lastfmtags'  "['folk metal', 'viking metal', 'metal', 'finnish metal', 'finnish']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '11'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'eid-metal-folk'
                                             'bpm'  '99.861'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000B28 000000000119B548 00000000 00FF6FD6 00000000 '
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'COMM:iTunes_CDDB_IDs:eng'                          '11+7F13A272E17849F2884FF0EF8950887D+9113780'
'POPM:'                                             POPM(email='', rating=204, count=0)
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'TBPM' (BPM (beats per minute))                     '99.861'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-folk'
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2007-06-26'
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'TIT2' (Title/songname/content description)         'Vesilahden verdjilld'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Korpiklaani'
'TPE2' (Band/orchestra/accompaniment)               'Korpiklaani'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Napalm Records'
'TRCK' (Track number/Position in set)               '10/11'
'TSO2'                                              'Korpiklaani'
'TSOP' (Performer sort order)                       'Korpiklaani'
'TXXX:ASIN'                                         'B000QEILOM'
'TXXX:BARCODE'                                      '693723504223'
'TXXX:CATALOGNUMBER'                                'NPR 212 CD'
'TXXX:FMPS_Rating'                                  '0.8'
'TXXX:MusicBrainz Album Artist Id'                  '50eec634-7c42-41ee-9b1f-b41d9ca28b26'
'TXXX:MusicBrainz Album Id'                         '7b78349b-25ff-4983-9944-c161b5e594c8'
'TXXX:MusicBrainz Album Release Country'            'FI'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '50eec634-7c42-41ee-9b1f-b41d9ca28b26'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['folk metal', 'viking metal', 'metal', 'finnish metal', 'finnish']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.02 dB'
'TXXX:replaygain_track_peak'                        '0.388861'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'dc4140d0-52b8-4a0e-90cc-0400492e1c57')

========================== row from database ==========================
                                              'id'  1398717
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Korpiklaani/Tervaskanto/10 - Vesilahden Verajilla (At The Gates Of Vesilahti).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  418
                                           'genre'  eid-metal-folk
                                        'filesize'  16840840
                                           'mtime'  1620301695
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 10 Verajilla (At The Gates Of Vesilahti) eid metal folk
                                      'tag_artist'  Korpiklaani
                                     'tag_release'  Tervaskanto
                                       'tag_title'  Vesilahden verdjilld
                                             'bpm'  99.861
                                    'search_title'  'verdjilld':2 'vesilahden':1
                                   'search_artist'  'korpiklaani':1
                                  'search_release'  'tervaskanto':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'at':4,5 'eid':11 'folk':13 'gates':7 'metal':12 'of':8 'the':6 'verajilla':3 'vesilahti':9,10
                                    'search_combo'  '00dwimp':5 '00metal':6 'at':8,9 'eid':15 'folk':17 'gates':11 'korpiklaani':3B 'metal':16 'of':12 'tervaskanto':4C 'the':10 'verajilla':7 'verdjilld':2A 'vesilahden':1A 'vesilahti':13,14
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['folk metal', 'viking metal', 'metal', 'finnish metal', 'finnish']
                                        'tag_date'  2007
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301695.2718956  (2021-05-06 13:48:15)
                             'size'  16840840