======================== unified (from filesystem) ========================
                                         'bitrate'  '231.102'
                                        'duration'  '153'
                                          'artist'  'Less Than Jake'
                                     'text_people'  ''
                                         'release'  'B Is for B-sides'
                                           'title'  'Goodbye in Gasoline'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-4', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
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                                      'lastfmtags'  "['ska punk', 'punk rock', 'ska', 'punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '12'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk-ska'
                                             'bpm'  '140'
                                             'key'  '8A'
                                        'acoustid'  '2dd2de21-7319-43ce-b9a7-da922a84e7ac'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'B Is for B-sides'
'TBPM' (BPM (beats per minute))                     '140'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk-ska'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-09-17'
'TIT2' (Title/songname/content description)         'Goodbye in Gasoline'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Less Than Jake'
'TPE2' (Band/orchestra/accompaniment)               'Less Than Jake'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Big Mouth JPN'
'TRCK' (Track number/Position in set)               '5/12'
'TSO2'                                              'Less Than Jake'
'TSOP' (Performer sort order)                       'Less Than Jake'
'TXXX:Acoustid Id'                                  '2dd2de21-7319-43ce-b9a7-da922a84e7ac'
'TXXX:Artists'                                      'Less Than Jake'
'TXXX:BARCODE'                                      '4580182720027'
'TXXX:CATALOGNUMBER'                                'BIGMJ-0032'
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'TXXX:MusicBrainz Album Id'                         '391ca4da-43ec-4b09-93c2-ae63fbef18e7'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
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'TXXX:MusicBrainz Release Group Id'                 'a36ef5e6-2089-3ecf-8f2c-05e36a1543cf'
'TXXX:MusicBrainz Release Track Id'                 'd5e04a46-727e-4ba8-8e7d-4053d82f24c0'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Qaaa'
'TXXX:lastfmtags'                                   ['ska punk', 'punk rock', 'ska', 'punk', 'rock']
'TXXX:originalyear'                                 '2004'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.50 dB'
'TXXX:replaygain_track_peak'                        '0.340001'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3eded31d-1c84-4132-b307-f672620c3327')

========================== row from database ==========================
                                              'id'  1299087
                                            'path'  /data/Music/Bulk/00poprockelectronic/Less Than Jake/b is for b-sides/05-less_than_jake-goodbye_to_gasoline-ice.mp3
                                         'working'  None
                                         'bitrate'  231
                                    'duration_sec'  153
                                           'genre'  rock-gr-punk-ska
                                        'filesize'  4434055
                                           'mtime'  1621637854
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic is 05 less_than_jake goodbye_to_gasoline ice rock gr punk ska
                                      'tag_artist'  Less Than Jake
                                     'tag_release'  B Is for B-sides
                                       'tag_title'  Goodbye in Gasoline
                                             'bpm'  140.0
                                    'search_title'  'gasoline':3 'goodbye':1 'in':2
                                   'search_artist'  'jake':3 'less':1 'than':2
                                  'search_release'  'b':1,4 'bsides':6 'for':3 'is':2 'sides':5
                                     'search_rest'  '00poprockelectronic':1 'gasoline':8 'goodbye':6 'gr':11 'ice':9 'is':2 'jake':5 'less':3 'punk':12 'rock':10 'ska':13 'than':4 'to':7
                                    'search_combo'  '00poprockelectronic':13 'b':7C,10C 'bsides':12C 'for':9C 'gasoline':3A,20 'goodbye':1A,18 'gr':23 'ice':21 'in':2A 'is':8C,14 'jake':6B,17 'less':4B,15 'punk':24 'rock':22 'sides':11C 'ska':25 'than':5B,16 'to':19
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['ska punk', 'punk rock', 'ska', 'punk', 'rock']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621637853.8477871  (2021-05-22 00:57:33)
                             'size'  4434055