======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '28'
                                          'artist'  "Edna's Goldfish"
                                     'text_people'  ''
                                         'release'  'The Elements of Transition'
                                           'title'  'The Elements of Transition'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
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 "'Q-PIANO-4', 'q-chart-2', 'q-drums-1', 'q-other-1', 'q-vocals-1', "
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                                      'lastfmtags'  "['ska punk', 'ska', 'punk', 'skankable']"
                             'musicbrainz_albumid'  'fd4c14a2-a50b-43f7-a1f3-80bed947e7ac'
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '14'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk-ska'
                                             'bpm'  '140.238'
                                             'key'  '10B'
                                        'acoustid'  '87bc93f0-6f9b-45d5-a570-09d08dd88fad'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Elements of Transition'
'TBPM' (BPM (beats per minute))                     '140.238'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk-ska'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999-10-19'
'TIT2' (Title/songname/content description)         'The Elements of Transition'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               "Edna's Goldfish"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Moon Ska Records'
'TRCK' (Track number/Position in set)               '1/14'
'TSO2'                                              "Edna's Goldfish"
'TSOP' (Performer sort order)                       "Edna's Goldfish"
'TXXX:Acoustid id'                                  '87bc93f0-6f9b-45d5-a570-09d08dd88fad'
'TXXX:Asin'                                         'B000028TU6'
'TXXX:Catalognumber'                                'MR 145'
'TXXX:Musicbrainz album artist id'                  '1e91991f-2111-4473-a4d1-797844ea8804'
'TXXX:Musicbrainz album id'                         'fd4c14a2-a50b-43f7-a1f3-80bed947e7ac'
'TXXX:Musicbrainz album release country'            'US'
'TXXX:Musicbrainz album status'                     'official'
'TXXX:Musicbrainz album type'                       'album'
'TXXX:Musicbrainz artist id'                        '1e91991f-2111-4473-a4d1-797844ea8804'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:Script'                                       'Latn'
'TXXX:lastfmtags'                                   ['ska punk', 'ska', 'punk', 'skankable']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.82 dB'
'TXXX:replaygain_track_peak'                        '0.621696'

========================== row from database ==========================
                                              'id'  1527343
                                            'path'  /data/Music/Bulk/00poprockelectronic/edna_s goldfish/Edna_s Goldfish - The Elements of Transition.mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  28
                                           'genre'  rock-gr-punk-ska
                                        'filesize'  351493
                                           'mtime'  1621696019
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic edna_s goldfish Edna_s rock gr punk ska
                                      'tag_artist'  Edna's Goldfish
                                     'tag_release'  The Elements of Transition
                                       'tag_title'  The Elements of Transition
                                             'bpm'  140.238
                                    'search_title'  'elements':2 'of':3 'the':1 'transition':4
                                   'search_artist'  'edna':1 'ednas':3 'goldfish':4 's':2
                                  'search_release'  'elements':2 'of':3 'the':1 'transition':4
                                     'search_rest'  '00poprockelectronic':1 'edna':2 'goldfish':4 'gr':6 'punk':7 'rock':5 's':3 'ska':8
                                    'search_combo'  '00poprockelectronic':13 'edna':5B,14 'ednas':7B 'elements':2A,10C 'goldfish':8B,16 'gr':18 'of':3A,11C 'punk':19 'rock':17 's':6B,15 'ska':20 'the':1A,9C 'transition':4A,12C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['ska punk', 'ska', 'punk', 'skankable']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696019.283914  (2021-05-22 17:06:59)
                             'size'  351493