======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '317'
                                          'artist'  'Francois-Marie Ngoa Group (Beti)'
                                     'text_people'  ''
                                         'release'  'Cameroon:  Musiques du Cameroon - Bakweri/Bamileke/Bamoun/Beti'
                                           'title'  'Obama Ondoua Ebini'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-3', 'Q-LOCALNESS-4', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ethnic', 'african', 'musiques du cameroon']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '12'
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '96.392'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Ocora OCR. 25, Recorded at Yaoundé on February 23, 1965'
'COMM:ID3v1 Comment:XXX'                            'Ocora OCR. 25, Recorded at Y'
'COMM:iTunNORM:eng'                                 (' 0000017C 0000016A 000018D8 000016D2 00030887 00030887 0000599D 00004ADE '
 '00002987 00002987')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A66 0000000000D5CE8A 00000000 00C1D87E 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Cameroon:  Musiques du Cameroon - Bakweri/Bamileke/Bamoun/Beti'
'TBPM' (BPM (beats per minute))                     '96.392'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '1965'
'TENC' (Encoded by)                                 'iTunes v7.1.1'
'TIT2' (Title/songname/content description)         'Obama Ondoua Ebini'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Francois-Marie Ngoa Group (Beti)'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/12'
'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:lastfmtags'                                   ['ethnic', 'african', 'musiques du cameroon']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.67 dB'
'TXXX:replaygain_track_peak'                        '0.981246'

========================== row from database ==========================
                                              'id'  471737
                                            'path'  /data/Music/Bulk/00localcharacter/VA. World 1： Trad/Musiques du Cameroon ~ Bakweri Bamileke Bamoun Beti (Ocora, 1965) [320k]/01 Obama Ondoua Ebini.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  317
                                           'genre'  loc-unsorted
                                        'filesize'  14242055
                                           'mtime'  1621627215
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter VA. World 1： Trad ~ (Ocora, 1965) [320k] 01 loc unsorted
                                      'tag_artist'  Francois-Marie Ngoa Group (Beti)
                                     'tag_release'  Cameroon:  Musiques du Cameroon - Bakweri/Bamileke/Bamoun/Beti
                                       'tag_title'  Obama Ondoua Ebini
                                             'bpm'  96.392
                                    'search_title'  'ebini':3 'obama':1 'ondoua':2
                                   'search_artist'  'beti':6,7 'francois':1 'francoismarie':3 'group':5 'marie':2 'ngoa':4
                                  'search_release'  'bakweri':5 'bakweribamilekebamounbeti':9 'bamileke':6 'bamoun':7 'beti':8 'cameroon':1,2 'du':4 'musiques':3
                                     'search_rest'  '1':4,5,6 '1965':10,11 '320k':12,13 'loc':14 'ocora':8,9 'trad':7 'unsorted':15 'va':1,2 'world':3
                                    'search_combo'  '1':23,24,25 '1965':29,30 '320k':31,32 'bakweri':15C 'bakweribamilekebamounbeti':19C 'bamileke':16C 'bamoun':17C 'beti':9B,10B,18C 'cameroon':11C,12C 'du':14C 'ebini':3A 'francois':4B 'francoismarie':6B 'group':8B 'loc':33 'marie':5B 'musiques':13C 'ngoa':7B 'obama':1A 'ocora':27,28 'ondoua':2A 'trad':26 'unsorted':34 'va':20,21 'world':22
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['ethnic', 'african', 'musiques du cameroon']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627215.076986  (2021-05-21 22:00:15)
                             'size'  14242055