======================== unified (from filesystem) ========================
                                         'bitrate'  '214.197'
                                        'duration'  '173'
                                          'artist'  'Suzanne Vega'
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                                           'title'  'Caramel'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
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                                      'lastfmtags'  "['alternative', 'female vocalists', 'pop', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '12'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '120'
                                             'key'  '3B'
                                        'acoustid'  '9f7bba13-a80d-4f1e-87b7-5055a675bbb0'
rest: ''

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

'COMM::eng'                                         'Encoded by Mnemònic'
'TALB' (Album/Movie/Show title)                     'Nine Objects of Desire'
'TBPM' (BPM (beats per minute))                     '120'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Caramel'
'TKEY' (Initial key)                                '3B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Suzanne Vega'
'TPE2' (Band/orchestra/accompaniment)               'Suzanne Vega'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'A&M Records'
'TRCK' (Track number/Position in set)               '3/12'
'TSO2'                                              'Vega, Suzanne'
'TSOP' (Performer sort order)                       'Vega, Suzanne'
'TSRC' (ISRC (international standard recording code))  'USAM19602220/USAM19604271'
'TXXX:Acoustid Id'                                  '9f7bba13-a80d-4f1e-87b7-5055a675bbb0'
'TXXX:Artists'                                      'Suzanne Vega'
'TXXX:BARCODE'                                      '731454058322'
'TXXX:CATALOGNUMBER'                                '540 583 2'
'TXXX:MusicBrainz Album Artist Id'                  'cf119120-7df5-47d7-9dec-49f8837a4e40'
'TXXX:MusicBrainz Album Id'                         'e0a1416e-5698-4117-ad3a-975fb08bd115'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'cf119120-7df5-47d7-9dec-49f8837a4e40'
'TXXX:MusicBrainz Release Group Id'                 'c9eb98ef-de35-3796-9829-ad33aa216226'
'TXXX:MusicBrainz Release Track Id'                 '2afb79a1-4cd0-4eea-887b-e8ca7b3836de'
'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:lastfmtags'                                   ['alternative', 'female vocalists', 'pop', 'folk', 'singer songwriter']
'TXXX:originalyear'                                 '1996'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.56 dB'
'TXXX:replaygain_track_peak'                        '0.514625'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd58c9700-3160-46cb-80c3-d9f56e1a6660')

========================== row from database ==========================
                                              'id'  1241154
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Suzanne Vega - 1996 - nine objects of desire/03 - Suzanne Vega - Caramel.mp3
                                         'working'  None
                                         'bitrate'  214
                                    'duration_sec'  173
                                           'genre'  ifs-songwriter
                                        'filesize'  4643279
                                           'mtime'  1628357296
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 1996 nine objects desire 03 ifs songwriter
                                      'tag_artist'  Suzanne Vega
                                     'tag_release'  Nine Objects of Desire
                                       'tag_title'  Caramel
                                             'bpm'  120.0
                                    'search_title'  'caramel':1
                                   'search_artist'  'suzanne':1 'vega':2
                                  'search_release'  'desire':4 'nine':1 'objects':2 'of':3
                                     'search_rest'  '00singer':1 '1996':4 'desire':7 'eos':3 'ifs':8 'nine':5 'objects':6 'songwriter':2
                                    'search_combo'  '00singer':8 '1996':11 'caramel':1A 'desire':7C,14 'eos':10 'ifs':15 'nine':4C,12 'objects':5C,13 'of':6C 'songwriter':9 'suzanne':2B 'vega':3B
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'female vocalists', 'pop', 'folk', 'singer songwriter']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357296.166438  (2021-08-07 19:28:16)
                             'size'  4643279