======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '255'
                                          'artist'  'Claude Vasori'
                                     'text_people'  ''
                                         'release'  'Musique pop pour images en mouvement'
                                           'title'  "Drugpop (lib. funk FR '71)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['folk', 'all', 'funk', 'library music', 'french']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  '12'
                                            'date'  '1971'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '110.8'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Musique pop pour images en mouvement'
'TBPM' (BPM (beats per minute))                     '110.8'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1971'
'TIT2' (Title/songname/content description)         "Drugpop (lib. funk FR '71)"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Claude Vasori'
'TRCK' (Track number/Position in set)               '03/12'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.98 (http://www.mp3dev.org/)'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['folk', 'all', 'funk', 'library music', 'french']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.10 dB'
'TXXX:replaygain_track_peak'                        '0.556560'

========================== row from database ==========================
                                              'id'  1525022
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Claude Vasori - Drugpop (lib. funk FR _71).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  255
                                           'genre'  funk or soul
                                        'filesize'  10227729
                                           'mtime'  1621629999
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing soul EASY Instr 70_s _71) soul
                                      'tag_artist'  Claude Vasori
                                     'tag_release'  Musique pop pour images en mouvement
                                       'tag_title'  Drugpop (lib. funk FR '71)
                                             'bpm'  110.8
                                    'search_title'  '71':6,7 'drugpop':1 'fr':5 'funk':4 'lib':2,3
                                   'search_artist'  'claude':1 'vasori':2
                                  'search_release'  'en':5 'images':4 'mouvement':6 'musique':1 'pop':2 'pour':3
                                     'search_rest'  '70':5 '71':7,8 'easy':3 'instr':4 's':6 'soul':2 'swing':1
                                    'search_combo'  '70':20 '71':6A,7A,22,23 'claude':8B 'drugpop':1A 'easy':18 'en':14C 'fr':5A 'funk':4A 'images':13C 'instr':19 'lib':2A,3A 'mouvement':15C 'musique':10C 'pop':11C 'pour':12C 's':21 'soul':17 'swing':16 'vasori':9B
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', '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'  ['folk', 'all', 'funk', 'library music', 'french']
                                        'tag_date'  1971
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629998.9612734  (2021-05-21 22:46:38)
                             'size'  10227729