======================== unified (from filesystem) ========================
                                         'bitrate'  '196.762'
                                        'duration'  '200'
                                          'artist'  'Belleruche'
                                     'text_people'  ''
                                         'release'  'The Express'
                                           'title'  "You're Listening to the Worlds"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['fip', 'trip hop', 'soul', 'nu jazz', 'electronic', 'funk']"
                                     'discogstags'  "['hip hop', 'funk / soul', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '11'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '116.253'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Express'
'TBPM' (BPM (beats per minute))                     '116.253'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '2008-10-12'
'TIT2' (Title/songname/content description)         "You're Listening to the Worlds"
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Belleruche'
'TPE2' (Band/orchestra/accompaniment)               'Belleruche'
'TPUB' (Publisher)                                  'Tru Thoughts'
'TRCK' (Track number/Position in set)               '11/11'
'TSOP' (Performer sort order)                       'Belleruche'
'TXXX:ALBUMARTISTSORT'                              'Belleruche'
'TXXX:MusicBrainz Album Artist Id'                  'abb5de38-d3ab-40f0-b98b-87ab0fd779e6'
'TXXX:MusicBrainz Album Id'                         '6e63c7bd-e2e6-4f51-b2ba-196ceb9cb1eb'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'abb5de38-d3ab-40f0-b98b-87ab0fd779e6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['hip hop', 'funk / soul', 'soul']
'TXXX:lastfmtags'                                   ['fip', 'trip hop', 'soul', 'nu jazz', 'electronic', 'funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.85 dB'
'TXXX:replaygain_track_peak'                        '0.513282'

========================== row from database ==========================
                                              'id'  1502575
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/11 Belleruche - You_re Listening to the Worlds.mp3
                                         'working'  None
                                         'bitrate'  196
                                    'duration_sec'  200
                                           'genre'  funk or soul
                                        'filesize'  4942558
                                           'mtime'  1628357945
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 11 You_re funk soul
                                      'tag_artist'  Belleruche
                                     'tag_release'  The Express
                                       'tag_title'  You're Listening to the Worlds
                                             'bpm'  116.253
                                    'search_title'  'listening':4 're':2 'the':6 'to':5 'worlds':7 'you':1 'youre':3
                                   'search_artist'  'belleruche':1
                                  'search_release'  'express':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'funk':9 'loose':3,4 're':8 'soul':10 'unsorted':2 'you':7
                                    'search_combo'  '00poprockelectronic':11 'belleruche':8B 'express':10C 'files':15,16 'funk':19 'listening':4A 'loose':13,14 're':2A,18 'soul':20 'the':6A,9C 'to':5A 'unsorted':12 'worlds':7A 'you':1A,17 'youre':3A
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['fip', 'trip hop', 'soul', 'nu jazz', 'electronic', 'funk']
                                        'tag_date'  2008
                                     'discogstags'  ['hip hop', 'funk / soul', 'soul']

============================== file details ==============================
                                           'mtime'  1628357944.9772913  (2021-08-07 19:39:04)
                             'size'  4942558