======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '179'
                                          'artist'  'Alberto Fresedo'
                                     'text_people'  'Ramuncho - Laiz'
                                         'release'  'french tanguerooo'
                                           'title'  'La Cieguita  xxx'
                                           '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-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1927'
                                        'comments'  ''
                                           'genre'  'loc-style-tango or milonga'
                                             'bpm'  '120.758'
                                             'key'  '12B'
                                        '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/WMCollectionID:K\x7f\x86pû0\x94H\x8bªÄoü«ª3'  PRIV(owner='WM/WMCollectionID', data=b'K\x7f\x86p\xfb0\x94H\x8b\xaa\xc4o\xfc\xab\xaa3')
'PRIV:WM/WMContentID:Äv)\x04\x07@µM£â¥}\x0eSP\x9e'  PRIV(owner='WM/WMContentID', data=b'\xc4v)\x04\x07@\xb5M\xa3\xe2\xa5}\x0eSP\x9e')
'TALB' (Album/Movie/Show title)                     'french tanguerooo'
'TBPM' (BPM (beats per minute))                     '120.758'
'TCOM' (Composer)                                   'Kepler Lais/Ramucho'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-tango or milonga'
'TDRC' (Recording time)                             '1927'
'TENC' (Encoded by)                                 'FrenchTanguero'
'TIT2' (Title/songname/content description)         'La Cieguita  xxx'
'TKEY' (Initial key)                                '12B'
'TOPE' (Original artist(s)/performer(s))            'Ramuncho - Laiz'
'TPE1' (Lead performer(s)/Soloist(s))               'Alberto Fresedo'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'ANS'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+3.06 dB'
'TXXX:replaygain_track_peak'                        '0.511142'

========================== row from database ==========================
                                              'id'  925167
                                            'path'  /data/Music/Bulk/00localcharacter/french tanguerooo/osvaldo fresedo - la cieguita.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  179
                                           'genre'  loc-style-tango or milonga
                                        'filesize'  2871614
                                           'mtime'  1620528382
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter osvaldo fresedo la cieguita loc style tango or milonga
                                      'tag_artist'  Alberto Fresedo
                                     'tag_release'  french tanguerooo
                                       'tag_title'  La Cieguita  xxx
                                             'bpm'  120.758
                                    'search_title'  'cieguita':2 'la':1 'xxx':3
                                   'search_artist'  'alberto':1 'fresedo':2
                                  'search_release'  'french':1 'tanguerooo':2
                                     'search_rest'  'cieguita':4 'fresedo':2 'la':3 'loc':5 'milonga':9 'or':8 'osvaldo':1 'style':6 'tango':7
                                    'search_combo'  'alberto':4B 'cieguita':2A,11 'french':6C 'fresedo':5B,9 'la':1A,10 'loc':12 'milonga':16 'or':15 'osvaldo':8 'style':13 'tango':14 'tanguerooo':7C 'xxx':3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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'  1927
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528381.9633164  (2021-05-09 04:46:21)
                             'size'  2871614