======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '3893'
                                          'artist'  'Joseph Beux'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Ja Ja Ja Nee Nee Nee'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '1'
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '123.708'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '020F3601'
'COMM:ID3v1 Comment:XXX'                            '020F3601'
'TBPM' (BPM (beats per minute))                     '123.708'
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'Ja Ja Ja Nee Nee Nee'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Joseph Beux'
'TRCK' (Track number/Position in set)               '1/1'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.81.03, External encoder lame.exe (%s %d -b 128) '
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+6.43 dB'
'TXXX:replaygain_track_peak'                        '0.871875'

========================== row from database ==========================
                                              'id'  1301807
                                            'path'  /data/Music/Bulk/00poprockelectronic/Joseph Beux/Ja Ja Ja Nee Nee Nee/Ja Ja Ja Nee Nee Nee 1968.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  3893
                                           'genre'  
                                        'filesize'  62306304
                                           'mtime'  1652397903
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1968
                                      'tag_artist'  Joseph Beux
                                     'tag_release'  None
                                       'tag_title'  Ja Ja Ja Nee Nee Nee
                                             'bpm'  123.708
                                    'search_title'  'ja':1 'nee':2
                                   'search_artist'  'beux':2 'joseph':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '1968':2
                                    'search_combo'  '00poprockelectronic':5 '1968':6 'beux':4B 'ja':1A 'joseph':3B 'nee':2A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  []
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397903.0987012  (2022-05-13 01:25:03)
                             'size'  62306304