======================== unified (from filesystem) ========================
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                                        'duration'  '221'
                                          'artist'  'The Mighty Mighty Bosstones'
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                                         'release'  'A Jackknife to a Swan'
                                           'title'  "Everybody's Better"
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                                      'lastfmtags'  "['ska punk', 'rock', 'ska', 'punk', 'skacore']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '13'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska-punk'
                                             'bpm'  '110.785'
                                             'key'  '11B'
                                        'acoustid'  '891c5c5c-d99d-4cf1-a782-14b01a671c4c'
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '110.785'
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'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002-07-15'
'TIT2' (Title/songname/content description)         "Everybody's Better"
'TKEY' (Initial key)                                '11B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Mighty Mighty Bosstones'
'TPE2' (Band/orchestra/accompaniment)               'The Mighty Mighty Bosstones'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Golf Records'
'TRCK' (Track number/Position in set)               '4/13'
'TSO2'                                              'Mighty Mighty Bosstones, The'
'TSOP' (Performer sort order)                       'Mighty Mighty Bosstones, The'
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'TXXX:MusicBrainz Album Id'                         '3218a05a-78fe-460e-a42f-2dd9f8b59834'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
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'TXXX:Q-JZFKS'                                      '1'
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'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['ska punk', 'rock', 'ska', 'punk', 'skacore']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.17 dB'
'TXXX:replaygain_track_peak'                        '0.578880'
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========================== row from database ==========================
                                              'id'  1506173
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/The Mighty Mighty Bosstones/The Mighty Mighty Bosstones- A Jackknife To A Swan/The Mighty Mighty Bosstones- Everybody_s Better.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  221
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska-punk
                                        'filesize'  3554650
                                           'mtime'  1620522478
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub To Everybody_s loc style reggae or dub or ska or dancehall ska punk
                                      'tag_artist'  The Mighty Mighty Bosstones
                                     'tag_release'  A Jackknife to a Swan
                                       'tag_title'  Everybody's Better
                                             'bpm'  110.785
                                    'search_title'  'better':4 'everybody':1 'everybodys':3 's':2
                                   'search_artist'  'bosstones':3 'mighty':2 'the':1
                                  'search_release'  'a':1 'jackknife':2 'swan':4 'to':3
                                     'search_rest'  '00reggae':1 'dancehall':11 'dub':2 'everybody':4 'loc':6 'or':9 'punk':12 'reggae':8 's':5 'ska':10 'style':7 'to':3
                                    'search_combo'  '00reggae':12 'a':8C 'better':4A 'bosstones':7B 'dancehall':22 'dub':13 'everybody':1A,15 'everybodys':3A 'jackknife':9C 'loc':17 'mighty':6B 'or':20 'punk':23 'reggae':19 's':2A,16 'ska':21 'style':18 'swan':11C 'the':5B 'to':10C,14
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['ska punk', 'rock', 'ska', 'punk', 'skacore']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620522478.3845377  (2021-05-09 03:07:58)
                             'size'  3554650