======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '126'
                                          'artist'  'EELS'
                                     'text_people'  'E'
                                         'release'  'Oh What a Beautiful Morning'
                                           'title'  "It's a Motherfucker"
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                                      'lastfmtags'  "['indie', 'alternative', 'rock', 'indie rock', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '17'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie'
                                             'bpm'  '128'
                                             'key'  '5B'
                                        'acoustid'  '109f5758-1f75-49bb-8150-bc0b6bf517ab'
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Oh What a Beautiful Morning'
'TBPM' (BPM (beats per minute))                     '128'
'TCOM' (Composer)                                   'E'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000'
'TENC' (Encoded by)                                 'iTunes v7.0.2.16'
'TIT2' (Title/songname/content description)         "It's a Motherfucker"
'TKEY' (Initial key)                                '5B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'EELS'
'TPE2' (Band/orchestra/accompaniment)               'EELS'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'E Works Records'
'TRCK' (Track number/Position in set)               '5/17'
'TSO2'                                              'EELS'
'TSOP' (Performer sort order)                       'EELS'
'TXXX:Acoustid Id'                                  '109f5758-1f75-49bb-8150-bc0b6bf517ab'
'TXXX:Artists'                                      'EELS'
'TXXX:CATALOGNUMBER'                                '[none]'
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'TXXX:MusicBrainz Album Type'                       'album/live'
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'TXXX:Q-HAP'                                        '2'
'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'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'rock', 'indie rock', 'singer songwriter']
'TXXX:originalyear'                                 '2000'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.91 dB'
'TXXX:replaygain_track_peak'                        '0.674197'
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========================== row from database ==========================
                                              'id'  1513532
                                            'path'  /data/Music/Bulk/00poprockelectronic/Eels/Eels - Oh What a Beautiful Morning/05 It_s a Motherfucker.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  126
                                           'genre'  ifs-songwriter-indie
                                        'filesize'  2111140
                                           'mtime'  1636400565
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Eels Eels 05 It_s ifs songwriter indie
                                      'tag_artist'  EELS
                                     'tag_release'  Oh What a Beautiful Morning
                                       'tag_title'  It's a Motherfucker
                                             'bpm'  128.0
                                    'search_title'  'a':4 'it':1 'its':3 'motherfucker':5 's':2
                                   'search_artist'  'eels':1
                                  'search_release'  'a':3 'beautiful':4 'morning':5 'oh':1 'what':2
                                     'search_rest'  '00poprockelectronic':1 'eels':2 'ifs':5 'indie':7 'it':3 's':4 'songwriter':6
                                    'search_combo'  '00poprockelectronic':12 'a':4A,9C 'beautiful':10C 'eels':6B,13 'ifs':16 'indie':18 'it':1A,14 'its':3A 'morning':11C 'motherfucker':5A 'oh':7C 's':2A,15 'songwriter':17 'what':8C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'Q-PIANO-4', 'q-mixbeat-1', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-1', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'rock', 'indie rock', 'singer songwriter']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636400565.475694  (2021-11-08 20:42:45)
                             'size'  2111140