======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '275'
                                          'artist'  'Gogo'
                                     'text_people'  ''
                                         'release'  'Hugh Tracey 15 - Tanzania Vocals (Tanganyika) 1950'
                                           'title'  'Awu Mungo Ya Wetu Amusolile Ko I.'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-1', "
 "'q-chart-1', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['country', 'american', 'techno']"
                                     'discogstags'  "['electronic', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'loc-africa-tanzania'
                                             'bpm'  '107.951'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'EAC FLAC -8'
'COMM:ID3v1 Comment:XXX'                            'EAC FLAC -8'
'TALB' (Album/Movie/Show title)                     'Hugh Tracey 15 - Tanzania Vocals (Tanganyika) 1950'
'TBPM' (BPM (beats per minute))                     '107.951'
'TCON' (Content type, a.k.a. Genre)                 'loc-africa-tanzania'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Awu Mungo Ya Wetu Amusolile Ko I.'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Gogo'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  ['electronic', 'experimental']
'TXXX:lastfmtags'                                   ['country', 'american', 'techno']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'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'                        '+1.37 dB'
'TXXX:replaygain_track_peak'                        '0.500746'

========================== row from database ==========================
                                              'id'  927852
                                            'path'  /data/Music/Bulk/00localcharacter/00africa/[SWP 023] - HT 015 - Tanzania Vocals (Tanganyika) 1950, 2003/12. Awu Mungo Ya Wetu Amusolile Ko I..mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  275
                                           'genre'  loc-africa-tanzania
                                        'filesize'  11011922
                                           'mtime'  1621626952
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00africa [SWP 023] HT 015 1950, 2003 12. loc africa tanzania
                                      'tag_artist'  Gogo
                                     'tag_release'  Hugh Tracey 15 - Tanzania Vocals (Tanganyika) 1950
                                       'tag_title'  Awu Mungo Ya Wetu Amusolile Ko I.
                                             'bpm'  107.951
                                    'search_title'  'amusolile':5 'awu':1 'i':7,8 'ko':6 'mungo':2 'wetu':4 'ya':3
                                   'search_artist'  'gogo':1
                                  'search_release'  '1950':7 'hugh':1 'tanganyika':5,6 'tanzania':3 'tracey':2 'vocals':4
                                     'search_rest'  '00africa':1 '023':4,5 '12':10,11 '1950':7,8 '2003':9 'africa':13 'ht':6 'loc':12 'swp':2,3 'tanzania':14
                                    'search_combo'  '00africa':17 '023':20,21 '12':26,27 '1950':16C,23,24 '2003':25 'africa':29 'amusolile':5A 'awu':1A 'gogo':9B 'ht':22 'hugh':10C 'i':7A,8A 'ko':6A 'loc':28 'mungo':2A 'swp':18,19 'tanganyika':14C,15C 'tanzania':12C,30 'tracey':11C 'vocals':13C 'wetu':4A 'ya':3A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-1', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['country', 'american', 'techno']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic', 'experimental']

============================== file details ==============================
                                           'mtime'  1621626951.7936275  (2021-05-21 21:55:51)
                             'size'  11011922