======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '213'
                                          'artist'  'Alemu Aga'
                                     'text_people'  ''
                                         'release'  'The Very Best Of Ethiopiques'
                                           'title'  'Abatatchen Hoy (Pater Noster)'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'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-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['11', 'all', 'ethiopia', 'ethiopian']"
                                     'discogstags'  "['folk, world, & country', 'african']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'loc-africa-ethiopia;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '111.886'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Very Best Of Ethiopiques'
'TBPM' (BPM (beats per minute))                     '111.886'
'TCON' (Content type, a.k.a. Genre)                 ['loc-africa-ethiopia', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Abatatchen Hoy (Pater Noster)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Alemu Aga'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '18'
'TXXX:Mp3gain_minmax'                               '112,177'
'TXXX:Mp3gain_undo'                                 '+001,+001,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:discogstags'                                  ['folk, world, & country', 'african']
'TXXX:lastfmtags'                                   ['11', 'all', 'ethiopia', 'ethiopian']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.24 dB'
'TXXX:replaygain_track_peak'                        '0.725914'

========================== row from database ==========================
                                              'id'  1391121
                                            'path'  /data/Music/Bulk/00localcharacter/00africa/Ethiopiques/Ethiopiques - The Very Best Of Ethiopiques/The Very Best Of Ethiopiques - 18 - Alemu Aga - Abatatchen Hoy (Pater Noster).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  213
                                           'genre'  loc-africa-ethiopia;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  6826140
                                           'mtime'  1620526527
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00africa 18 loc africa ethiopia;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Alemu Aga
                                     'tag_release'  The Very Best Of Ethiopiques
                                       'tag_title'  Abatatchen Hoy (Pater Noster)
                                             'bpm'  111.886
                                    'search_title'  'abatatchen':1 'hoy':2 'noster':5,6 'pater':3,4
                                   'search_artist'  'aga':2 'alemu':1
                                  'search_release'  'best':3 'ethiopiques':5 'of':4 'the':1 'very':2
                                     'search_rest'  '00africa':1 '18':2 'africa':4 'ethiopia':5,7 'loc':3 'mor':14 'pl':9 'set':6,8,11,13 'shirleyspinoza':10,12
                                    'search_combo'  '00africa':14 '18':15 'abatatchen':1A 'africa':17 'aga':8B 'alemu':7B 'best':11C 'ethiopia':18,20 'ethiopiques':13C 'hoy':2A 'loc':16 'mor':27 'noster':5A,6A 'of':12C 'pater':3A,4A 'pl':22 'set':19,21,24,26 'shirleyspinoza':23,25 'the':9C 'very':10C
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['11', 'all', 'ethiopia', 'ethiopian']
                                        'tag_date'  2007
                                     'discogstags'  ['folk, world, & country', 'african']

============================== file details ==============================
                                           'mtime'  1620526527.0468302  (2021-05-09 04:15:27)
                             'size'  6826140