======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '63'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'no title'
                                           'title'  'The Way of Today (Live better electrically)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '71'
                                      'tracktotal'  '98'
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials;set-pl-mor'
                                             'bpm'  '136.184'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'no title'
'TBPM' (BPM (beats per minute))                     '136.184'
'TCON' (Content type, a.k.a. Genre)                 ['nonmusic-commercials', 'set-pl-mor']
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'The Way of Today (Live better electrically)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TRCK' (Track number/Position in set)               '71/98'
'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:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.33 dB'
'TXXX:replaygain_track_peak'                        '0.494352'

========================== row from database ==========================
                                              'id'  959277
                                            'path'  /data/Music/Bulk/0nonmusic/00commercials-tv-radio-movietrailer/commercial_psa/car ads and PSAs/car ads and PSAs - 71. the way of today (live better electrically).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  63
                                           'genre'  nonmusic-commercials;set-pl-mor
                                        'filesize'  1023540
                                           'mtime'  1620525234
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00commercials tv radio movietrailer commercial_psa car ads and PSAs car ads and PSAs 71. the way today (live nonmusic commercials;set pl mor
                                      'tag_artist'  [unknown]
                                     'tag_release'  no title
                                       'tag_title'  The Way of Today (Live better electrically)
                                             'bpm'  136.184
                                    'search_title'  'better':7 'electrically':8,9 'live':5,6 'of':3 'the':1 'today':4 'way':2
                                   'search_artist'  'unknown':1,2
                                  'search_release'  'no':1 'title':2
                                     'search_rest'  '00commercials':2 '0nonmusic':1 '71':12,13 'ads':9 'and':10 'car':8 'commercial':6 'commercials':20,22 'live':17,18 'mor':25 'movietrailer':5 'nonmusic':19 'pl':24 'psa':7 'psas':11 'radio':4 'set':21,23 'the':14 'today':16 'tv':3 'way':15
                                    'search_combo'  '00commercials':15 '0nonmusic':14 '71':25,26 'ads':22 'and':23 'better':7A 'car':21 'commercial':19 'commercials':33,35 'electrically':8A,9A 'live':5A,6A,30,31 'mor':38 'movietrailer':18 'no':12C 'nonmusic':32 'of':3A 'pl':37 'psa':20 'psas':24 'radio':17 'set':34,36 'the':1A,27 'title':13C 'today':4A,29 'tv':16 'unknown':10B,11B 'way':2A,28
                                    'tag_tracknum'  71
                                      'num_images'  0
                                             'key'  10A
                                           '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-1', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620525233.9393907  (2021-05-09 03:53:53)
                             'size'  1023540