======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '379'
                                          'artist'  'Inuit'
                                     'text_people'  ''
                                         'release'  'Canada Inuit Games and Songs'
                                           'title'  'Extracts from "13 Katajjait", 6:19 '
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-1', "
 "'q-chart-1', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['traditional', 'british', 'post rock', 'experimental', 'americana']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-northpole'
                                             'bpm'  '109.705'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Canada Inuit Games and Songs'
'TBPM' (BPM (beats per minute))                     '109.705'
'TCON' (Content type, a.k.a. Genre)                 'loc-northpole'
'TIT2' (Title/songname/content description)         'Extracts from "13 Katajjait", 6:19 '
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '379000'
'TPE1' (Lead performer(s)/Soloist(s))               'Inuit'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['traditional', 'british', 'post rock', 'experimental', 'americana']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.33 dB'
'TXXX:replaygain_track_peak'                        '0.979945'

========================== row from database ==========================
                                              'id'  1514749
                                            'path'  /data/Music/Bulk/00localcharacter/00americas/Canada Inuit Games and Songs (UbuWeb)/mp3 [192k]/3. Extracts from 13 __Katajjait__.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  379
                                           'genre'  loc-northpole
                                        'filesize'  9105280
                                           'mtime'  1637933296
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00americas (UbuWeb) mp3 [192k] 3. __Katajjait__ loc northpole
                                      'tag_artist'  Inuit
                                     'tag_release'  Canada Inuit Games and Songs
                                       'tag_title'  Extracts from "13 Katajjait", 6:19 
                                             'bpm'  109.705
                                    'search_title'  '13':3 '19':7 '6':6 '619':8 'extracts':1 'from':2 'katajjait':4,5
                                   'search_artist'  'inuit':1
                                  'search_release'  'and':4 'canada':1 'games':3 'inuit':2 'songs':5
                                     'search_rest'  '00americas':1 '192k':5,6 '3':7,8 'katajjait':9 'loc':10 'mp3':4 'northpole':11 'ubu':12,13 'ubuweb':2,3 'web':14,15
                                    'search_combo'  '00americas':15 '13':3A '19':7A '192k':19,20 '3':21,22 '6':6A '619':8A 'and':13C 'canada':10C 'extracts':1A 'from':2A 'games':12C 'inuit':9B,11C 'katajjait':4A,5A,23 'loc':24 'mp3':18 'northpole':25 'songs':14C 'ubu':26,27 'ubuweb':16,17 'web':28,29
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-1', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['traditional', 'british', 'post rock', 'experimental', 'americana']
                                        'tag_date'  
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1637933295.7337334  (2021-11-26 14:28:15)
                             'size'  9105280