======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '164'
                                          'artist'  'Orquesta de Julio De Caro'
                                     'text_people'  'Charlo / Enrique Cadícamo'
                                         'release'  'Su obra, volumen 14'
                                           'title'  'Luz divina'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  '12'
                                            'date'  '1939'
                                        'comments'  ''
                                           'genre'  'loc-style-tango or milonga'
                                             'bpm'  '131.841'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Su obra, volumen 14'
'TBPM' (BPM (beats per minute))                     '131.841'
'TCMP'                                              '0'
'TCOM' (Composer)                                   'Charlo / Enrique Cadícamo'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-tango or milonga'
'TCOP' (Copyright message)                          'Odeón'
'TDRC' (Recording time)                             '1939'
'TIT2' (Title/songname/content description)         'Luz divina'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Orquesta de Julio De Caro feat Hictor Farrel'
'TPE2' (Band/orchestra/accompaniment)               'Orquesta de Julio De Caro'
'TRCK' (Track number/Position in set)               '07/12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.81 dB'
'TXXX:replaygain_track_peak'                        '0.447339'

========================== row from database ==========================
                                              'id'  734156
                                            'path'  /data/Music/Bulk/00localcharacter/Orquesta de Julio De Caro - 1939 - Su obra, volumen 14/07 - Luz divina.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  164
                                           'genre'  loc-style-tango or milonga
                                        'filesize'  3354229
                                           'mtime'  1620528244
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 1939 07 loc style tango or milonga
                                      'tag_artist'  Orquesta de Julio De Caro
                                     'tag_release'  Su obra, volumen 14
                                       'tag_title'  Luz divina
                                             'bpm'  131.841
                                    'search_title'  'divina':2 'luz':1
                                   'search_artist'  'caro':4 'de':2 'julio':3 'orquesta':1
                                  'search_release'  'obra':2,3 'su':1 'volumen':4
                                     'search_rest'  '1939':1 'loc':2 'milonga':6 'or':5 'style':3 'tango':4
                                    'search_combo'  '1939':11 'caro':6B 'de':4B 'divina':2A 'julio':5B 'loc':12 'luz':1A 'milonga':16 'obra':8C,9C 'or':15 'orquesta':3B 'style':13 'su':7C 'tango':14 'volumen':10C
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', '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-1']
                                      'lastfmtags'  []
                                        'tag_date'  1939
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528243.8675828  (2021-05-09 04:44:03)
                             'size'  3354229