======================== unified (from filesystem) ========================
                                         'bitrate'  '235.305'
                                        'duration'  '203'
                                          'artist'  'Finntroll'
                                     'text_people'  'Routa'
                                         'release'  'Trollhammaren'
                                           'title'  'Skog'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folk metal', 'black metal', 'viking metal', 'metal', 'finnish']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '5'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '105'
                                             'key'  '11A'
                                        'acoustid'  'd216414f-3fbf-49b4-8d5d-966229f721a2'
rest: ''

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

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'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
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'PRIV:WM/WMCollectionID:m\x85ëjh}òA°\x19ת\x96»P\x12'  PRIV(owner='WM/WMCollectionID', data=b'm\x85\xebjh}\xf2A\xb0\x19\xd7\xaa\x96\xbbP\x12')
'PRIV:WM/WMContentID:?\x7f\n\x84\x91\x85ÜB¨òböb\x8aFÊ'  PRIV(owner='WM/WMContentID', data=b'?\x7f\n\x84\x91\x85\xdcB\xa8\xf2b\xf6b\x8aF\xca')
'TALB' (Album/Movie/Show title)                     'Trollhammaren'
'TBPM' (BPM (beats per minute))                     '105'
'TCOM' (Composer)                                   'Routa'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-03-15'
'TIT2' (Title/songname/content description)         'Skog'
'TKEY' (Initial key)                                '11A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Finntroll'
'TPE2' (Band/orchestra/accompaniment)               'Finntroll'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Spikefarm Records'
'TRCK' (Track number/Position in set)               '3/5'
'TSO2'                                              'Finntroll'
'TSOP' (Performer sort order)                       'Finntroll'
'TXXX:ASIN'                                         'B000AAVFK4'
'TXXX:Acoustid Id'                                  'd216414f-3fbf-49b4-8d5d-966229f721a2'
'TXXX:BARCODE'                                      '0602498165881'
'TXXX:CATALOGNUMBER'                                'Naula 046'
'TXXX:MusicBrainz Album Artist Id'                  '14962b84-c46a-490b-b6a0-ee69c78b2291'
'TXXX:MusicBrainz Album Id'                         '27d7c739-e28a-32b2-a558-4aeff4f396c5'
'TXXX:MusicBrainz Album Release Country'            'FI'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        '14962b84-c46a-490b-b6a0-ee69c78b2291'
'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', 'black metal', 'viking metal', 'metal', 'finnish']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.37 dB'
'TXXX:replaygain_track_peak'                        '0.513990'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'7034aa36-c0b3-4e8f-a2aa-0e07a8081ce5')

========================== row from database ==========================
                                              'id'  1337022
                                            'path'  /data/Music/Bulk/00poprockelectronic/Finntroll/Trollhammaren/Finntroll-Skog.mp3
                                         'working'  None
                                         'bitrate'  235
                                    'duration_sec'  203
                                           'genre'  eid-metal-black
                                        'filesize'  5991038
                                           'mtime'  1620301970
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic eid metal black
                                      'tag_artist'  Finntroll
                                     'tag_release'  Trollhammaren
                                       'tag_title'  Skog
                                             'bpm'  105.0
                                    'search_title'  'skog':1
                                   'search_artist'  'finntroll':1
                                  'search_release'  'trollhammaren':1
                                     'search_rest'  '00poprockelectronic':1 'black':4 'eid':2 'metal':3
                                    'search_combo'  '00poprockelectronic':4 'black':7 'eid':5 'finntroll':2B 'metal':6 'skog':1A 'trollhammaren':3C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', '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-4']
                                      'lastfmtags'  ['folk metal', 'black metal', 'viking metal', 'metal', 'finnish']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301969.6676793  (2021-05-06 13:52:49)
                             'size'  5991038