======================== unified (from filesystem) ========================
                                         'bitrate'  '127.984'
                                        'duration'  '211'
                                          'artist'  'Hole'
                                     'text_people'  ''
                                         'release'  'Celebrity Skin'
                                           'title'  'Heaven Tonight'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'female vocalists', 'alternative', 'grunge', 'rock']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '13'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '131.413'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '10'
'COMM:ID3v1 Comment:XXX'                            '10'
'TALB' (Album/Movie/Show title)                     'Celebrity Skin'
'TBPM' (BPM (beats per minute))                     '131.413'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1998-09-02'
'TIT2' (Title/songname/content description)         'Heaven Tonight'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Hole'
'TPE2' (Band/orchestra/accompaniment)               'Hole'
'TPUB' (Publisher)                                  'Universal Victor'
'TRCK' (Track number/Position in set)               '10/13'
'TSOP' (Performer sort order)                       'Hole'
'TSRC' (ISRC (international standard recording code))  'USGF19816410'
'TXXX:ALBUMARTISTSORT'                              'Hole'
'TXXX:ASIN'                                         'B00000G6DI'
'TXXX:BARCODE'                                      '4988067034588'
'TXXX:CATALOGNUMBER'                                'MVCF-24035'
'TXXX:MusicBrainz Album Artist Id'                  '1dcc8968-f2cd-441c-beda-6270f70f2863'
'TXXX:MusicBrainz Album Id'                         'f3e17f30-f0d5-440c-a624-c628c5cfd4e2'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '1dcc8968-f2cd-441c-beda-6270f70f2863'
'TXXX:MusicIP PUID'                                 '9da9fdae-8707-3e63-c975-987106ead901'
'TXXX:MusicMagic Data'                              'AgEBsoFxwvGbzb5Zgx68oFIugAGDJYQS35Sbf0160/YPbYABo1HtGKxL+Ri+GdArgmGAASbChvEs2NNXgiDgPvvX+d6ubu3ygAKAAb12nA6444NMB1lGSIG0hH2IZtrXmRVPpMD4EbSlMK5a5kyrPspKvDa1w4K5iSYmnY99IXre5qtL1KPsEO4atO7wGIbfgJw='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:added_timestamp'                              '128930990202923527'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['alternative rock', 'female vocalists', 'alternative', 'grunge', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.34 dB'
'TXXX:replaygain_track_peak'                        '0.421186'

========================== row from database ==========================
                                              'id'  1287528
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/10. Heaven Tonight.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  211
                                           'genre'  rock-unsorted
                                        'filesize'  3382685
                                           'mtime'  1676053151
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 10. rock unsorted
                                      'tag_artist'  Hole
                                     'tag_release'  Celebrity Skin
                                       'tag_title'  Heaven Tonight
                                             'bpm'  131.413
                                    'search_title'  'heaven':1 'tonight':2
                                   'search_artist'  'hole':1
                                  'search_release'  'celebrity':1 'skin':2
                                     'search_rest'  '00poprockelectronic':1 '10':7,8 'files':5,6 'loose':3,4 'rock':9 'unsorted':2
                                    'search_combo'  '00poprockelectronic':6 '10':12,13 'celebrity':4C 'files':10,11 'heaven':1A 'hole':3B 'loose':8,9 'rock':14 'skin':5C 'tonight':2A 'unsorted':7
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['alternative rock', 'female vocalists', 'alternative', 'grunge', 'rock']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1676053150.8717647  (2023-02-10 19:19:10)
                             'size'  3382685