======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '260'
                                          'artist'  'Plaid'
                                     'text_people'  ''
                                         'release'  'Double Figure'
                                           'title'  'Eyen'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'instrumental hip hop', 'idm', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '19'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '121.1'
                                             'key'  '8A'
                                        'acoustid'  '9dd21766-ac73-4e45-984d-7db570a0d388'
rest: ''

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

'PRIV:AverageLevel:r\x1a\x00\x00'                   PRIV(owner='AverageLevel', data=b'r\x1a\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
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'TALB' (Album/Movie/Show title)                     'Double Figure'
'TBPM' (BPM (beats per minute))                     '121.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Eyen'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Plaid'
'TPE2' (Band/orchestra/accompaniment)               'Plaid'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Source'
'TRCK' (Track number/Position in set)               '1/19'
'TSO2'                                              'Plaid'
'TSOP' (Performer sort order)                       'Plaid'
'TSRC' (ISRC (international standard recording code))  'GBBPW0100017'
'TXXX:ASIN'                                         'B00005JDGM'
'TXXX:Acoustid Id'                                  '9dd21766-ac73-4e45-984d-7db570a0d388'
'TXXX:BARCODE'                                      '724381043127'
'TXXX:CATALOGNUMBER'                                '724381043127'
'TXXX:MusicBrainz Album Artist Id'                  '7e54d133-2525-4bc0-ae94-65584145a386'
'TXXX:MusicBrainz Album Id'                         '28d42492-a6df-3fb2-bf7f-5eb3731324e2'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '7e54d133-2525-4bc0-ae94-65584145a386'
'TXXX:Q-HAP'                                        '2'
'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', 'instrumental hip hop', 'idm', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.12 dB'
'TXXX:replaygain_track_peak'                        '0.545684'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'776ce1b8-ae42-46fe-bcdc-e4656f777d6c')

========================== row from database ==========================
                                              'id'  1312534
                                            'path'  /data/Music/Bulk/00poprockelectronic/Plaid/double figure/Eyen.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  260
                                           'genre'  electronic-experimental
                                        'filesize'  6246879
                                           'mtime'  1636917476
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic double figure electronic experimental
                                      'tag_artist'  Plaid
                                     'tag_release'  Double Figure
                                       'tag_title'  Eyen
                                             'bpm'  121.1
                                    'search_title'  'eyen':1
                                   'search_artist'  'plaid':1
                                  'search_release'  'double':1 'figure':2
                                     'search_rest'  '00poprockelectronic':1 'double':2 'electronic':4 'experimental':5 'figure':3
                                    'search_combo'  '00poprockelectronic':5 'double':3C,6 'electronic':8 'experimental':9 'eyen':1A 'figure':4C,7 'plaid':2B
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['electronica', 'instrumental hip hop', 'idm', 'electronic']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636917476.2844253  (2021-11-14 20:17:56)
                             'size'  6246879