======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '282'
                                          'artist'  'Unemployed & Factory Workers'
                                     'text_people'  ''
                                         'release'  'Les Miserables (Disc 1)'
                                           'title'  'At the End of the Day'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '130.063'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Les Miserables (Disc 1)'
'TBPM' (BPM (beats per minute))                     '130.063'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1987'
'TIT2' (Title/songname/content description)         'At the End of the Day'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Unemployed & Factory Workers'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.77 dB'
'TXXX:replaygain_track_peak'                        '0.783134'

========================== row from database ==========================
                                              'id'  258728
                                            'path'  /data/Music/Bulk/0soundtrack/Original Broadway Cast/cifs5f4b.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  282
                                           'genre'  soundtrack-video
                                        'filesize'  4532198
                                           'mtime'  1637438899
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Original Broadway Cast cifs5f4b soundtrack video
                                      'tag_artist'  Unemployed & Factory Workers
                                     'tag_release'  Les Miserables (Disc 1)
                                       'tag_title'  At the End of the Day
                                             'bpm'  130.063
                                    'search_title'  'at':1 'day':5 'end':3 'of':4 'the':2
                                   'search_artist'  'factory':2 'unemployed':1 'workers':3
                                  'search_release'  '1':5,6 'disc':3,4 'les':1 'miserables':2
                                     'search_rest'  '0soundtrack':1 'broadway':3 'cast':4 'cifs5f4b':5 'original':2 'soundtrack':6 'video':7
                                    'search_combo'  '0soundtrack':15 '1':13C,14C 'at':1A 'broadway':17 'cast':18 'cifs5f4b':19 'day':5A 'disc':11C,12C 'end':3A 'factory':7B 'les':9C 'miserables':10C 'of':4A 'original':16 'soundtrack':20 'the':2A 'unemployed':6B 'video':21 'workers':8B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1987
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637438899.0220706  (2021-11-20 21:08:19)
                             'size'  4532198