======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '331'
                                          'artist'  'Rubén Blades'
                                     'text_people'  'Rubén Blades'
                                         'release'  'Siembra'
                                           'title'  'Maria Lionza'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['salsa', 'latin', 'panama', 'world', 'chillout']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1978'
                                        'comments'  ''
                                           'genre'  'loc-panama'
                                             'bpm'  '98.167'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000065C 000007A4 00003E20'
'COMM:iTunNORM:eng'                                 (' 0000065C 000007A4 00003E20 00004293 000216B1 00032E83 00008000 00008000 '
 '000214E1 000346A3')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Siembra'
'TBPM' (BPM (beats per minute))                     '98.167'
'TCOM' (Composer)                                   'Rubén Blades'
'TCON' (Content type, a.k.a. Genre)                 'loc-panama'
'TDRC' (Recording time)                             '1978'
'TIT2' (Title/songname/content description)         'Maria Lionza'
'TKEY' (Initial key)                                '7B'
'TLEN' (Length)                                     '331760'
'TPE1' (Lead performer(s)/Soloist(s))               'Rubin Blades'
'TPE2' (Band/orchestra/accompaniment)               'Rubén Blades'
'TPUB' (Publisher)                                  'Fania'
'TRCK' (Track number/Position in set)               '4'
'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:lastfmtags'                                   ['salsa', 'latin', 'panama', 'world', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'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'                        '+1.06 dB'
'TXXX:replaygain_track_peak'                        '0.524034'

========================== row from database ==========================
                                              'id'  1332587
                                            'path'  /data/Music/Bulk/00poprockelectronic/2017-01-01 Best Of Dezember 2016/Rubén Blades - Maria Lionza.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  331
                                           'genre'  loc-panama
                                        'filesize'  5339643
                                           'mtime'  1621698182
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2017 01 01 Best Of Dezember 2016 loc panama
                                      'tag_artist'  Rubén Blades
                                     'tag_release'  Siembra
                                       'tag_title'  Maria Lionza
                                             'bpm'  98.167
                                    'search_title'  'lionza':2 'maria':1
                                   'search_artist'  'blades':3 'ruben':1,2
                                  'search_release'  'siembra':1
                                     'search_rest'  '00poprockelectronic':1 '2016':6 '2017':2 'best':3 'dezember':5 'loc':7 'of':4 'panama':8
                                    'search_combo'  '00poprockelectronic':7 '2016':12 '2017':8 'best':9 'blades':5B 'dezember':11 'lionza':2A 'loc':13 'maria':1A 'of':10 'panama':14 'ruben':3B,4B 'siembra':6C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['salsa', 'latin', 'panama', 'world', 'chillout']
                                        'tag_date'  1978
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698181.5883493  (2021-05-22 17:43:01)
                             'size'  5339643