======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '279'
                                          'artist'  'Live'
                                     'text_people'  ''
                                         'release'  'Throwing Copper'
                                           'title'  'The Dam at Otter Creek'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', '90s', 'alternative', 'grunge', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '14'
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '116.520'
                                             'key'  '3A'
                                        'acoustid'  '6becbfc0-ba9b-42c9-ab6a-0d55ce21be48'
rest: ''

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

'COMM::eng'                                         '4-1-2002'
'COMM:ID3v1 Comment:XXX'                            '4-1-2002'
'TALB' (Album/Movie/Show title)                     'Throwing Copper'
'TBPM' (BPM (beats per minute))                     '116.520'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDOR' (Original release time)                      '1994'
'TDRC' (Recording time)                             '1994-04-19'
'TIT2' (Title/songname/content description)         'The Dam at Otter Creek'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Live'
'TPE2' (Band/orchestra/accompaniment)               'Live'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'BMG Direct Marketing, Inc./Radioactive Records'
'TRCK' (Track number/Position in set)               '1/14'
'TSO2'                                              'Live'
'TSOP' (Performer sort order)                       'Live'
'TXXX:Acoustid Id'                                  '6becbfc0-ba9b-42c9-ab6a-0d55ce21be48'
'TXXX:CATALOGNUMBER'                                'D103085/RARD-10997'
'TXXX:MusicBrainz Album Artist Id'                  'cba77ba2-862d-4cee-a8f6-d3f9daf7211c'
'TXXX:MusicBrainz Album Id'                         'd4575621-f319-40da-9eb3-2e37b26ef6a4'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'cba77ba2-862d-4cee-a8f6-d3f9daf7211c'
'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'                                  ['rock', 'alternative rock']
'TXXX:lastfmtags'                                   ['alternative rock', '90s', 'alternative', 'grunge', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'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'                        '+0.66 dB'
'TXXX:replaygain_track_peak'                        '0.423572'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd182e127-4114-472c-8272-c1a9ca86da74')

========================== row from database ==========================
                                              'id'  1348211
                                            'path'  /data/Music/Bulk/00poprockelectronic/Live/Throwing Copper/Live - The Dam at Otter Creek.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  279
                                           'genre'  rock-pop
                                        'filesize'  4479127
                                           'mtime'  1628352487
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic rock pop
                                      'tag_artist'  Live
                                     'tag_release'  Throwing Copper
                                       'tag_title'  The Dam at Otter Creek
                                             'bpm'  116.52
                                    'search_title'  'at':3 'creek':5 'dam':2 'otter':4 'the':1
                                   'search_artist'  'live':1
                                  'search_release'  'copper':2 'throwing':1
                                     'search_rest'  '00poprockelectronic':1 'pop':3 'rock':2
                                    'search_combo'  '00poprockelectronic':9 'at':3A 'copper':8C 'creek':5A 'dam':2A 'live':6B 'otter':4A 'pop':11 'rock':10 'the':1A 'throwing':7C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', '90s', 'alternative', 'grunge', 'rock']
                                        'tag_date'  1994
                                     'discogstags'  ['rock', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1628352486.9001842  (2021-08-07 18:08:06)
                             'size'  4479127