======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '313'
                                          'artist'  'Toktok'
                                     'text_people'  ''
                                         'release'  'Tora Bora'
                                           'title'  'Get Funky'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['german', 'electronica', 'electro', 'electronic', 'electropop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '136.001'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tora Bora'
'TBPM' (BPM (beats per minute))                     '136.001'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Get Funky'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Toktok'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['german', 'electronica', 'electro', 'electronic', 'electropop']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.09 dB'
'TXXX:replaygain_track_peak'                        '0.602341'

========================== row from database ==========================
                                              'id'  1308301
                                            'path'  /data/Music/Bulk/00poprockelectronic/Toktok/Tora Bora__cifs6566.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  313
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  7523853
                                           'mtime'  1628353771
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Bora__cifs6566 electronic we electropop synthpop
                                      'tag_artist'  Toktok
                                     'tag_release'  Tora Bora
                                       'tag_title'  Get Funky
                                             'bpm'  136.001
                                    'search_title'  'funky':2 'get':1
                                   'search_artist'  'toktok':1
                                  'search_release'  'bora':2 'tora':1
                                     'search_rest'  '00poprockelectronic':1 'bora':2 'cifs6566':3 'electronic':4 'electropop':6 'synthpop':7 'we':5
                                    'search_combo'  '00poprockelectronic':6 'bora':5C,7 'cifs6566':8 'electronic':9 'electropop':11 'funky':2A 'get':1A 'synthpop':12 'toktok':3B 'tora':4C 'we':10
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['german', 'electronica', 'electro', 'electronic', 'electropop']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1628353771.0182924  (2021-08-07 18:29:31)
                             'size'  7523853