======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '28'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'ToyotaCorolla70 CorollaCost'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials;set-pl-mor'
                                             'bpm'  '120.830'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '120.830'
'TCON' (Content type, a.k.a. Genre)                 ['nonmusic-commercials', 'set-pl-mor']
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'ToyotaCorolla70 CorollaCost'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TXXX:Mp3gain_minmax'                               '088,208'
'TXXX:Mp3gain_undo'                                 '+002,+002,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:Sortunder'                                    'commercials'
'TXXX:other'                                        '006'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.02 dB'
'TXXX:replaygain_track_peak'                        '0.667966'

========================== row from database ==========================
                                              'id'  958634
                                            'path'  /data/Music/Bulk/0nonmusic/00commercials-tv-radio-movietrailer/commercial_psa/ToyotaCorolla70_CorollaCost_0006.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  28
                                           'genre'  nonmusic-commercials;set-pl-mor
                                        'filesize'  461160
                                           'mtime'  1620525119
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00commercials tv radio movietrailer commercial_psa ToyotaCorolla70_CorollaCost_0006 nonmusic commercials;set pl mor
                                      'tag_artist'  [unknown]
                                     'tag_release'  None
                                       'tag_title'  ToyotaCorolla70 CorollaCost
                                             'bpm'  120.83
                                    'search_title'  'corolla':5 'corolla70':4 'corollacost':2 'cost':6 'toyota':3 'toyotacorolla70':1
                                   'search_artist'  'unknown':1,2
                                  'search_release'  
                                     'search_rest'  '0006':10,22 '00commercials':2 '0nonmusic':1 'commercial':6 'commercials':12,14 'corolla':20 'corolla70':19 'corollacost':9 'cost':21 'mor':17 'movietrailer':5 'nonmusic':11 'pl':16 'psa':7 'radio':4 'set':13,15 'toyota':18 'toyotacorolla70':8 'tv':3
                                    'search_combo'  '0006':18,30 '00commercials':10 '0nonmusic':9 'commercial':14 'commercials':20,22 'corolla':5A,28 'corolla70':4A,27 'corollacost':2A,17 'cost':6A,29 'mor':25 'movietrailer':13 'nonmusic':19 'pl':24 'psa':15 'radio':12 'set':21,23 'toyota':3A,26 'toyotacorolla70':1A,16 'tv':11 'unknown':7B,8B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           '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-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620525119.0237327  (2021-05-09 03:51:59)
                             'size'  461160