======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '118'
                                          'artist'  'Peter Group (Bamileke-Bafang)'
                                     'text_people'  ''
                                         'release'  'Cameroon:  Musiques du Cameroon - Bakweri/Bamileke/Bamoun/Beti'
                                           'title'  'Yaya Kam'
                                           '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-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ethnic', 'african', 'musiques du cameroon']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '12'
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '118.359'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Ocora OCR. 25, Recorded at Victoria on February 9, 1965'
'COMM:ID3v1 Comment:XXX'                            'Ocora OCR. 25, Recorded at V'
'COMM:iTunNORM:eng'                                 (' 00000223 000001F0 0000099F 00000867 0000B900 0000B900 00002C6A 00002B60 '
 '0000D6E5 0000D6E5')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000885 00000000004F9F6B 00000000 0048214F 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Cameroon:  Musiques du Cameroon - Bakweri/Bamileke/Bamoun/Beti'
'TBPM' (BPM (beats per minute))                     '118.359'
'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)         'Yaya Kam'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Peter Group (Bamileke-Bafang)'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4/12'
'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'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.88 dB'
'TXXX:replaygain_track_peak'                        '0.412610'

========================== row from database ==========================
                                              'id'  473913
                                            'path'  /data/Music/Bulk/00localcharacter/VA. World 1： Trad/Musiques du Cameroon ~ Bakweri Bamileke Bamoun Beti (Ocora, 1965) [320k]/04 Yaya Kam.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  118
                                           'genre'  loc-unsorted
                                        'filesize'  6265231
                                           'mtime'  1621627208
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter VA. World 1： Trad ~ (Ocora, 1965) [320k] 04 loc unsorted
                                      'tag_artist'  Peter Group (Bamileke-Bafang)
                                     'tag_release'  Cameroon:  Musiques du Cameroon - Bakweri/Bamileke/Bamoun/Beti
                                       'tag_title'  Yaya Kam
                                             'bpm'  118.359
                                    'search_title'  'kam':2 'yaya':1
                                   'search_artist'  'bafang':4 'bamileke':3 'bamilekebafang':5 'group':2 'peter':1
                                  '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':20,21,22 '1965':26,27 '320k':28,29 'bafang':6B 'bakweri':12C 'bakweribamilekebamounbeti':16C 'bamileke':5B,13C 'bamilekebafang':7B 'bamoun':14C 'beti':15C 'cameroon':8C,9C 'du':11C 'group':4B 'kam':2A 'loc':30 'musiques':10C 'ocora':24,25 'peter':3B 'trad':23 'unsorted':31 'va':17,18 'world':19 'yaya':1A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['ethnic', 'african', 'musiques du cameroon']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627207.6575081  (2021-05-21 22:00:07)
                             'size'  6265231