======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '168'
                                          'artist'  'Omara P y Chucho V'
                                     'text_people'  'Demare/Enrique Cadícamo'
                                         'release'  'french tanguerooo'
                                           'title'  'Nieblas Del Riachuelo     '
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'Q-PLAY-2', 'q-bass-1', 'q-busy-3', 'q-grit-1', "
 "'Q-PIANO-4', 'q-chart-1', 'q-drums-1', 'q-other-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'loc-style-tango or milonga'
                                             'bpm'  '132.966'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
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'PRIV:WM/WMCollectionGroupID:duöèÜ\x93\nA¾¿e¸ÌOûÆ'  PRIV(owner='WM/WMCollectionGroupID', data=b'du\xf6\xe8\xdc\x93\nA\xbe\xbfe\xb8\xccO\xfb\xc6')
'PRIV:WM/WMCollectionID:duöèÜ\x93\nA¾¿e¸ÌOûÆ'       PRIV(owner='WM/WMCollectionID', data=b'du\xf6\xe8\xdc\x93\nA\xbe\xbfe\xb8\xccO\xfb\xc6')
'PRIV:WM/WMContentID:NdÞ\x91-\x90nN\x94\x12:r£\x91/x'  PRIV(owner='WM/WMContentID', data=b'Nd\xde\x91-\x90nN\x94\x12:r\xa3\x91/x')
'TALB' (Album/Movie/Show title)                     'french tanguerooo'
'TBPM' (BPM (beats per minute))                     '132.966'
'TCOM' (Composer)                                   'Demare/Enrique Cadícamo'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-tango or milonga'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Nieblas Del Riachuelo     '
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Omara P y Chucho V'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'RGS Music'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'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'                                      '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.01 dB'
'TXXX:replaygain_track_peak'                        '0.649951'

========================== row from database ==========================
                                              'id'  929344
                                            'path'  /data/Music/Bulk/00localcharacter/french tanguerooo/omara p y chucho v - nieblas del riachuelo.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  168
                                           'genre'  loc-style-tango or milonga
                                        'filesize'  2697088
                                           'mtime'  1620528375
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter omara p chucho v nieblas del riachuelo loc style tango or milonga
                                      'tag_artist'  Omara P y Chucho V
                                     'tag_release'  french tanguerooo
                                       'tag_title'  Nieblas Del Riachuelo     
                                             'bpm'  132.966
                                    'search_title'  'del':2 'nieblas':1 'riachuelo':3
                                   'search_artist'  'chucho':4 'omara':1 'p':2 'v':5 'y':3
                                  'search_release'  'french':1 'tanguerooo':2
                                     'search_rest'  'chucho':3 'del':6 'loc':8 'milonga':12 'nieblas':5 'omara':1 'or':11 'p':2 'riachuelo':7 'style':9 'tango':10 'v':4
                                    'search_combo'  'chucho':7B,13 'del':2A,16 'french':9C 'loc':18 'milonga':22 'nieblas':1A,15 'omara':4B,11 'or':21 'p':5B,12 'riachuelo':3A,17 'style':19 'tango':20 'tanguerooo':10C 'v':8B,14 'y':6B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528374.7885532  (2021-05-09 04:46:14)
                             'size'  2697088