======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '272'
                                          'artist'  'Betty Blowtorch'
                                     'text_people'  ''
                                         'release'  'Are You Man Enough?'
                                           'title'  'Big Hair, Broken Heart'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '133.756'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Are You Man Enough?'
'TBPM' (BPM (beats per minute))                     '133.756'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Big Hair, Broken Heart'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Betty Blowtorch'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.98 dB'
'TXXX:replaygain_track_peak'                        '0.321903'

========================== row from database ==========================
                                              'id'  1420040
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Betty Blowtorch/10. Big hair, broken heart.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  272
                                           'genre'  rock-gr-punk
                                        'filesize'  6534676
                                           'mtime'  1620533123
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner 10. hair, broken heart rock gr punk
                                      'tag_artist'  Betty Blowtorch
                                     'tag_release'  Are You Man Enough?
                                       'tag_title'  Big Hair, Broken Heart
                                             'bpm'  133.756
                                    'search_title'  'big':1 'broken':4 'hair':2,3 'heart':5
                                   'search_artist'  'betty':1 'blowtorch':2
                                  'search_release'  'are':1 'enough':4 'man':3 'you':2
                                     'search_rest'  '10':5,6 'broken':9 'garage':2 'gr':12 'hair':7,8 'heart':10 'punk':1 'rock':11 'stoner':4 'surf':3
                                    'search_combo'  '10':16,17 'are':8C 'betty':6B 'big':1A 'blowtorch':7B 'broken':4A,20 'enough':11C 'garage':13 'gr':23 'hair':2A,3A,18,19 'heart':5A,21 'man':10C 'punk':12 'rock':22 'stoner':15 'surf':14 'you':9C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  []
                                        'tag_date'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620533122.8011594  (2021-05-09 06:05:22)
                             'size'  6534676