======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '205'
                                          'artist'  'Chenard Walcker'
                                     'text_people'  'Chenard Walcker'
                                         'release'  "L'Omelette [fsz011]"
                                           'title'  'Remember the time'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['test', 'netlabel', 'electronic', 'wm recordings', 'funk']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-collage'
                                             'bpm'  '103.0'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "L'Omelette [fsz011]"
'TBPM' (BPM (beats per minute))                     '103.0'
'TCOM' (Composer)                                   'Chenard Walcker'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-collage'
'TCOP' (Copyright message)                          'http://creativecommons.org/licenses/by-nc/2.0'
'TDRC' (Recording time)                             '2003'
'TENC' (Encoded by)                                 'Chenard Walcker'
'TIT2' (Title/songname/content description)         'Remember the time'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Chenard Walcker'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['test', 'netlabel', 'electronic', 'wm recordings', 'funk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.93 dB'
'TXXX:replaygain_track_peak'                        '0.500400'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.chenardwalcker.com')

========================== row from database ==========================
                                              'id'  1368128
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Chenard Walcker - fsz011 [192k]/fsz011_02-chenard_walcker-remember_the_time.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  205
                                           'genre'  electronic-experimental-collage
                                        'filesize'  4923264
                                           'mtime'  1636920690
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [192k] fsz011_02 chenard_walcker remember_the_time electronic experimental collage
                                      'tag_artist'  Chenard Walcker
                                     'tag_release'  L'Omelette [fsz011]
                                       'tag_title'  Remember the time
                                             'bpm'  103.0
                                    'search_title'  'remember':1 'the':2 'time':3
                                   'search_artist'  'chenard':1 'walcker':2
                                  'search_release'  'fsz011':4,5 'l':1 'lomelette':3 'omelette':2
                                     'search_rest'  '02':4 '192k':1,2 'chenard':5 'collage':12 'electronic':10 'experimental':11 'fsz011':3 'remember':7 'the':8 'time':9 'walcker':6
                                    'search_combo'  '02':14 '192k':11,12 'chenard':4B,15 'collage':22 'electronic':20 'experimental':21 'fsz011':9C,10C,13 'l':6C 'lomelette':8C 'omelette':7C 'remember':1A,17 'the':2A,18 'time':3A,19 'walcker':5B,16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['test', 'netlabel', 'electronic', 'wm recordings', 'funk']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636920690.372172  (2021-11-14 21:11:30)
                             'size'  4923264