======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '312'
                                          'artist'  'La Nef Des Fous & La Turbie Pirhanienne'
                                     'text_people'  ''
                                         'release'  'Sixties Yéyé Garagiste Underground'
                                           'title'  'Piranhas'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '109.3'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sixties Yéyé Garagiste Underground'
'TBPM' (BPM (beats per minute))                     '109.3'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Piranhas'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'La Nef Des Fous & La Turbie Pirhanienne'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.30 dB'
'TXXX:replaygain_track_peak'                        '0.653734'

========================== row from database ==========================
                                              'id'  1399884
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/red noise - Sixties Yéyé Garagiste Underground Frenchies Compilation/12 - La Nef Des Fous & La Turbie Pirhanienne - Piranhas.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  312
                                           'genre'  loc-eur-france
                                        'filesize'  5004333
                                           'mtime'  1620535749
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe red noise Frenchies Compilation 12 loc eur france
                                      'tag_artist'  La Nef Des Fous & La Turbie Pirhanienne
                                     'tag_release'  Sixties Yéyé Garagiste Underground
                                       'tag_title'  Piranhas
                                             'bpm'  109.3
                                    'search_title'  'piranhas':1
                                   'search_artist'  'des':3 'fous':4 'la':1 'nef':2 'pirhanienne':6 'turbie':5
                                  'search_release'  'garagiste':4 'sixties':1 'underground':5 'yeye':2,3
                                     'search_rest'  '00mid':1 'compilation':7 'eur':9 'europe':3 'france':10 'frenchies':6 'loc':8 'noise':5 'north':2 'red':4
                                    'search_combo'  '00mid':13 'compilation':19 'des':4B 'eur':21 'europe':15 'fous':5B 'france':22 'frenchies':18 'garagiste':11C 'la':2B 'loc':20 'nef':3B 'noise':17 'north':14 'piranhas':1A 'pirhanienne':7B 'red':16 'sixties':8C 'turbie':6B 'underground':12C 'yeye':9C,10C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620535749.4778016  (2021-05-09 06:49:09)
                             'size'  5004333