======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '301'
                                          'artist'  'Laurent Jeanneau'
                                     'text_people'  ''
                                         'release'  'Music of Tanzania'
                                           'title'  'Zeze and Song'
                                           '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-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'  "['sublime frequencies', 'weird ethno', 'field recordings', 'chinese']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'loc-africa-tanzania'
                                             'bpm'  '109.764'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Music of Tanzania'
'TBPM' (BPM (beats per minute))                     '109.764'
'TCON' (Content type, a.k.a. Genre)                 'loc-africa-tanzania'
'TDRC' (Recording time)                             '2015'
'TFLT' (File type)                                  'MPG/3'
'TIT2' (Title/songname/content description)         'Zeze and Song'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Laurent Jeanneau'
'TPE2' (Band/orchestra/accompaniment)               'Laurent Jeanneau'
'TPOS' (Part of a set)                              '1/2'
'TRCK' (Track number/Position in set)               '5'
'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'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['sublime frequencies', 'weird ethno', 'field recordings', 'chinese']
'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'                        '+1.23 dB'
'TXXX:replaygain_track_peak'                        '0.453980'
'USER:Cop'                                          ('yright notice. These materials are protected by United States copyright law '
 'and by international treaties. You may use these materials for your '
 'personal, non-commercial use only. You may not otherwise reproduce, '
 'distribute, publicly perform, publicly display, or create derivative works '
 'of these materials, unless authorized by the appropriate copyright owner(s).')

========================== row from database ==========================
                                              'id'  929870
                                            'path'  /data/Music/Bulk/00localcharacter/00africa/[AFRICA] MUSIC OF TANZANIA [SUBLIME FREQUENCIES] (2015)/laurent jeanneau_music of tanzania_05_zeze and song.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  301
                                           'genre'  loc-africa-tanzania
                                        'filesize'  12111839
                                           'mtime'  1621626946
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00africa [AFRICA] MUSIC OF TANZANIA [SUBLIME FREQUENCIES] (2015) laurent jeanneau_music tanzania_05_zeze song loc africa tanzania
                                      'tag_artist'  Laurent Jeanneau
                                     'tag_release'  Music of Tanzania
                                       'tag_title'  Zeze and Song
                                             'bpm'  109.764
                                    'search_title'  'and':2 'song':3 'zeze':1
                                   'search_artist'  'jeanneau':2 'laurent':1
                                  'search_release'  'music':1 'of':2 'tanzania':3
                                     'search_rest'  '00africa':1 '05':17 '2015':11,12 'africa':2,3 'frequencies':9,10 'jeanneau':14 'laurent':13 'loc':20 'music':4,15 'of':5 'song':19 'sublime':7,8 'tanzania':6,16 'zeze':18
                                    'search_combo'  '00africa':9 '05':25 '2015':19,20 'africa':10,11 'and':2A 'frequencies':17,18 'jeanneau':5B,22 'laurent':4B,21 'loc':28 'music':6C,12,23 'of':7C,13 'song':3A,27 'sublime':15,16 'tanzania':8C,14,24 'zeze':1A,26
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  3B
                                           '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'  ['sublime frequencies', 'weird ethno', 'field recordings', 'chinese']
                                        'tag_date'  2015
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621626946.0201325  (2021-05-21 21:55:46)
                             'size'  12111839