======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '255'
                                          'artist'  'Smerins Anti-Social Club'
                                     'text_people'  'Ron Grainer'
                                         'release'  ''
                                           'title'  'Jah Humphreys Dr Who DUB Explosion'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-2', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dub', 'ska', 'funk', 'bristol', 'british']"
                                     'discogstags'  "['reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '1'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-series'
                                             'bpm'  '140.044'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000CDC 00000B5F 00009EDD'
'COMM:iTunNORM:eng'                                 (' 00000CDC 00000B5F 00009EDD 0000A352 0003C47D 0003C47D 00008905 0000873A '
 '00038BDB 00036D8D')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000B32 0000000000ABE13E 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TBPM' (BPM (beats per minute))                     '140.044'
'TCOM' (Composer)                                   'Ron Grainer'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-series'
'TDRC' (Recording time)                             '2004'
'TENC' (Encoded by)                                 'iTunes v6.0.5'
'TIT2' (Title/songname/content description)         'Jah Humphreys Dr Who DUB Explosion'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Smerins Anti-Social Club'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'reggae'
'TXXX:lastfmtags'                                   ['dub', 'ska', 'funk', 'bristol', 'british']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.35 dB'
'TXXX:replaygain_track_peak'                        '0.533748'

========================== row from database ==========================
                                              'id'  979978
                                            'path'  /data/Music/Bulk/0soundtrack/Dr Who - Collection/Dr Who - Jah Humphreys Dr Who Dub Explosion - By Smerins Anti Social Club.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  255
                                           'genre'  soundtrack-video-series
                                        'filesize'  6134458
                                           'mtime'  1636921522
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Collection Dub By soundtrack video series
                                      'tag_artist'  Smerins Anti-Social Club
                                     'tag_release'  None
                                       'tag_title'  Jah Humphreys Dr Who DUB Explosion
                                             'bpm'  140.044
                                    'search_title'  'dr':3 'dub':5 'explosion':6 'humphreys':2 'jah':1 'who':4
                                   'search_artist'  'anti':2 'antisocial':4 'club':5 'smerins':1 'social':3
                                  'search_release'  
                                     'search_rest'  '0soundtrack':1 'by':4 'collection':2 'dub':3 'series':7 'soundtrack':5 'video':6
                                    'search_combo'  '0soundtrack':12 'anti':8B 'antisocial':10B 'by':15 'club':11B 'collection':13 'dr':3A 'dub':5A,14 'explosion':6A 'humphreys':2A 'jah':1A 'series':18 'smerins':7B 'social':9B 'soundtrack':16 'video':17 'who':4A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dub', 'ska', 'funk', 'bristol', 'british']
                                        'tag_date'  2004
                                     'discogstags'  ['reggae']

============================== file details ==============================
                                           'mtime'  1636921522.1521108  (2021-11-14 21:25:22)
                             'size'  6134458