======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '161'
                                          'artist'  'Rasputina'
                                     'text_people'  ''
                                         'release'  'How We Quit the Forest'
                                           'title'  'DwarfStar'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['cello rock', 'alternative', 'cabaret', 'gothic', 'cello']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '118.984'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'How We Quit the Forest'
'TBPM' (BPM (beats per minute))                     '118.984'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'DwarfStar'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rasputina'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['cello rock', 'alternative', 'cabaret', 'gothic', 'cello']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.08 dB'
'TXXX:replaygain_track_peak'                        '0.537602'

========================== row from database ==========================
                                              'id'  1455867
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Rasputina/[1998] How We Quit the Forest/06 Dwarf Star.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  161
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  3879143
                                           'mtime'  1621695881
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos [1998] 06 ifs songwriter eos
                                      'tag_artist'  Rasputina
                                     'tag_release'  How We Quit the Forest
                                       'tag_title'  DwarfStar
                                             'bpm'  118.984
                                    'search_title'  'dwarf':2 'dwarfstar':1 'star':3
                                   'search_artist'  'rasputina':1
                                  'search_release'  'forest':5 'how':1 'quit':3 'the':4 'we':2
                                     'search_rest'  '00singer':1 '00songwriter':4 '1998':5,6 'eos':3 'ifs':7 'songwriter':2
                                    'search_combo'  '00singer':10 '00songwriter':13 '1998':14,15 'dwarf':2A 'dwarfstar':1A 'eos':12 'forest':9C 'how':5C 'ifs':16 'quit':7C 'rasputina':4B 'songwriter':11 'star':3A 'the':8C 'we':6C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['cello rock', 'alternative', 'cabaret', 'gothic', 'cello']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695881.0387394  (2021-05-22 17:04:41)
                             'size'  3879143