======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '166'
                                          'artist'  'Bahta Gebre-Heywet'
                                     'text_people'  ''
                                         'release'  'The Very Best Of Ethiopiques'
                                           'title'  'Ewnet Yet Lagegnesh'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-JZFKS-3', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'ethiopian', 'funk', 'ethiopia']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'loc-africa-ethiopia'
                                             'bpm'  '138.892'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Very Best Of Ethiopiques'
'TBPM' (BPM (beats per minute))                     '138.892'
'TCON' (Content type, a.k.a. Genre)                 'loc-africa-ethiopia'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Ewnet Yet Lagegnesh'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bahta Gebre-Heywet'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '16'
'TXXX:Mp3gain_minmax'                               '108,167'
'TXXX:Mp3gain_undo'                                 '+005,+005,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['jazz', 'ethiopian', 'funk', 'ethiopia']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.03 dB'
'TXXX:replaygain_track_peak'                        '0.348623'

========================== row from database ==========================
                                              'id'  1398158
                                            'path'  /data/Music/Bulk/00localcharacter/00africa/Ethiopiques/Ethiopiques - The Very Best Of Ethiopiques/The Very Best Of Ethiopiques - 16 - Bahta Gebre-Heywet - Ewnet Yet Lagegnesh.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  166
                                           'genre'  loc-africa-ethiopia
                                        'filesize'  5348235
                                           'mtime'  1620526545
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00africa 16 loc africa ethiopia
                                      'tag_artist'  Bahta Gebre-Heywet
                                     'tag_release'  The Very Best Of Ethiopiques
                                       'tag_title'  Ewnet Yet Lagegnesh
                                             'bpm'  138.892
                                    'search_title'  'ewnet':1 'lagegnesh':3 'yet':2
                                   'search_artist'  'bahta':1 'gebre':2 'gebreheywet':4 'heywet':3
                                  'search_release'  'best':3 'ethiopiques':5 'of':4 'the':1 'very':2
                                     'search_rest'  '00africa':1 'africa':3 'ethiopia':4 'loc':2
                                    'search_combo'  '00africa':13 'africa':15 'bahta':4B 'best':10C 'ethiopia':16 'ethiopiques':12C 'ewnet':1A 'gebre':5B 'gebreheywet':7B 'heywet':6B 'lagegnesh':3A 'loc':14 'of':11C 'the':8C 'very':9C 'yet':2A
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'ethiopian', 'funk', 'ethiopia']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526545.1827872  (2021-05-09 04:15:45)
                             'size'  5348235