======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '161'
                                          'artist'  ''
                                     'text_people'  ''
                                         'release'  'Secret Museum of Mankind Vol.4'
                                           'title'  'Bamba'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['trance', 'jazz', 'electronic', 'techno', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'loc-style-fusion'
                                             'bpm'  '138.987'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 000000E6 000000E6 00000503'
'COMM:iTunNORM:eng'                                 (' 000000E6 000000E6 00000503 00000503 00015FD5 00015FD5 00004229 00004229 '
 '0001FBFE 0001FBFE')
'TALB' (Album/Movie/Show title)                     'Secret Museum of Mankind Vol.4'
'TBPM' (BPM (beats per minute))                     '138.987'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-fusion'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Bamba'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Various Artists'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '16'
'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:lastfmtags'                                   ['trance', 'jazz', 'electronic', 'techno', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.22 dB'
'TXXX:replaygain_track_peak'                        '0.678908'
'WCOM:http://www.amazon.co.uk/exec/obidos/ASIN/B000000G9J/softpointer-20?dev-t=D17H5OIRRQ5XUC%26camp=2025%26link_code=xm2'  WCOM(url='http://www.amazon.co.uk/exec/obidos/ASIN/B000000G9J/softpointer-20?dev-t=D17H5OIRRQ5XUC%26camp=2025%26link_code=xm2')

========================== row from database ==========================
                                              'id'  437083
                                            'path'  /data/Music/Bulk/00localcharacter/The Secret Museum of Mankind 04/16 - Bamba.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  161
                                           'genre'  loc-style-fusion
                                        'filesize'  2586835
                                           'mtime'  1621629819
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter The 04 16 loc style fusion
                                      'tag_artist'  Various Artists
                                     'tag_release'  Secret Museum of Mankind Vol.4
                                       'tag_title'  Bamba
                                             'bpm'  138.987
                                    'search_title'  'bamba':1
                                   'search_artist'  'artists':2 'various':1
                                  'search_release'  '4':6 'mankind':4 'museum':2 'of':3 'secret':1 'vol':5 'vol4':7
                                     'search_rest'  'fusion':4 'loc':2 'style':3 'the':1
                                    'search_combo'  '4':7C 'bamba':1A 'fusion':12 'loc':10 'mankind':5C 'museum':3C 'of':4C 'secret':2C 'style':11 'the':9 'vol':6C 'vol4':8C
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['trance', 'jazz', 'electronic', 'techno', 'rock']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629818.7247574  (2021-05-21 22:43:38)
                             'size'  2586835