======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '254'
                                          'artist'  'Kevin Johansen & The Nada'
                                     'text_people'  ''
                                         'release'  'plastictango milonga'
                                           'title'  'Cumbiera Intelectual'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['argentina', 'rock argentino', 'latin folk', 'world', 'latin']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '20'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'loc-style-tango or milonga'
                                             'bpm'  '88.631'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Milonga?'
'COMM:ID3v1 Comment:XXX'                            ' 0000043F 000003C1 000037AA'
'COMM:iTunNORM:eng'                                 (' 0000043F 000003C1 000037AA 00003207 00037829 0002221F 00008EF1 00008B48 '
 '0002A00A 000155D6')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000894 0000000000AB855C 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '20+37745C01D2E2FDFFF07E8E4E5DC9276B+6127948'
'TALB' (Album/Movie/Show title)                     'plastictango milonga'
'TBPM' (BPM (beats per minute))                     '88.631'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-tango or milonga'
'TDRC' (Recording time)                             '2002'
'TENC' (Encoded by)                                 'iTunes v6.0.1'
'TIT2' (Title/songname/content description)         'Cumbiera Intelectual'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Kevin Johansen & The Nada'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '9/20'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['argentina', 'rock argentino', 'latin folk', 'world', 'latin']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.72 dB'
'TXXX:replaygain_track_peak'                        '0.660519'

========================== row from database ==========================
                                              'id'  231956
                                            'path'  /data/Music/Bulk/00localcharacter/plastictango/milonga/milonga 5.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  254
                                           'genre'  loc-style-tango or milonga
                                        'filesize'  6121138
                                           'mtime'  1620528435
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 5 loc style or
                                      'tag_artist'  Kevin Johansen & The Nada
                                     'tag_release'  plastictango milonga
                                       'tag_title'  Cumbiera Intelectual
                                             'bpm'  88.631
                                    'search_title'  'cumbiera':1 'intelectual':2
                                   'search_artist'  'johansen':2 'kevin':1 'nada':4 'the':3
                                  'search_release'  'milonga':2 'plastictango':1
                                     'search_rest'  '5':1 'loc':2 'or':4 'style':3
                                    'search_combo'  '5':9 'cumbiera':1A 'intelectual':2A 'johansen':4B 'kevin':3B 'loc':10 'milonga':8C 'nada':6B 'or':12 'plastictango':7C 'style':11 'the':5B
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['argentina', 'rock argentino', 'latin folk', 'world', 'latin']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528434.7565322  (2021-05-09 04:47:14)
                             'size'  6121138