======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '145'
                                          'artist'  'Sukuma'
                                     'text_people'  ''
                                         'release'  'Hugh Tracey 15 - Tanzania Vocals (Tanganyika) 1950'
                                           'title'  "Ng'wadila Mg'wiza Wani Baba Ru"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-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-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'loc-africa-tanzania'
                                             'bpm'  '143.213'
                                             'key'  '11B'
                                        '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))                     '143.213'
'TCON' (Content type, a.k.a. Genre)                 'loc-africa-tanzania'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         "Ng'wadila Mg'wiza Wani Baba Ru"
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sukuma'
'TRCK' (Track number/Position in set)               '06'
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '+1.55 dB'
'TXXX:replaygain_track_peak'                        '0.428675'

========================== row from database ==========================
                                              'id'  1514459
                                            'path'  /data/Music/Bulk/00localcharacter/00africa/[SWP 023] - HT 015 - Tanzania Vocals (Tanganyika) 1950, 2003/06. Ng_wadila Mg_wiza Wani Baba Ru.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  145
                                           'genre'  loc-africa-tanzania
                                        'filesize'  5832530
                                           'mtime'  1621626951
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00africa [SWP 023] HT 015 1950, 2003 06. Ng_wadila Mg_wiza loc africa tanzania
                                      'tag_artist'  Sukuma
                                     'tag_release'  Hugh Tracey 15 - Tanzania Vocals (Tanganyika) 1950
                                       'tag_title'  Ng'wadila Mg'wiza Wani Baba Ru
                                             'bpm'  143.213
                                    'search_title'  'baba':8 'mg':4 'mgwiza':6 'ng':1 'ngwadila':3 'ru':9 'wadila':2 'wani':7 'wiza':5
                                   'search_artist'  'sukuma':1
                                  'search_release'  '1950':7 'hugh':1 'tanganyika':5,6 'tanzania':3 'tracey':2 'vocals':4
                                     'search_rest'  '00africa':1 '023':4,5 '06':10,11 '1950':7,8 '2003':9 'africa':17 'ht':6 'loc':16 'mg':14 'ng':12 'swp':2,3 'tanzania':18 'wadila':13 'wiza':15
                                    'search_combo'  '00africa':18 '023':21,22 '06':27,28 '1950':17C,24,25 '2003':26 'africa':34 'baba':8A 'ht':23 'hugh':11C 'loc':33 'mg':4A,31 'mgwiza':6A 'ng':1A,29 'ngwadila':3A 'ru':9A 'sukuma':10B 'swp':19,20 'tanganyika':15C,16C 'tanzania':13C,35 'tracey':12C 'vocals':14C 'wadila':2A,30 'wani':7A 'wiza':5A,32
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  11B
                                           '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-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621626950.9580352  (2021-05-21 21:55:50)
                             'size'  5832530