======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '357'
                                          'artist'  'Gotan Project'
                                     'text_people'  ''
                                         'release'  'La revancha del tango'
                                           'title'  'Santa María (Del Buen Ayre)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'downtempo', 'electronic', 'chillout', 'tango']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  ('loc-style-tango or milonga;set-pl-sced;prerock-jb-jazz-lounge or exotica or '
 'bossa')
                                             'bpm'  '118.2'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000004DB 0000043C 00004986 00002FB0 000222F7 000222F7 00008000 00008000 '
 '000138C5 000138C5')
'TALB' (Album/Movie/Show title)                     'La revancha del tango'
'TBPM' (BPM (beats per minute))                     '118.2'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-tango or milonga',
 'set-pl-sced',
 'prerock-jb-jazz-lounge or exotica or bossa']
'TDRC' (Recording time)                             '2001'
'TENC' (Encoded by)                                 'FreeRIP 2.942'
'TIT2' (Title/songname/content description)         'Santa María (Del Buen Ayre)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gotan Project'
'TPE2' (Band/orchestra/accompaniment)               'Gotan Project'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lounge', 'downtempo', 'electronic', 'chillout', 'tango']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.58 dB'
'TXXX:replaygain_track_peak'                        '0.561218'

========================== row from database ==========================
                                              'id'  1314804
                                            'path'  /data/Music/Bulk/00poprockelectronic/Gotan Project/[2001] La revancha del tango/05 Santa María (Del Buen Ayre).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  357
                                           'genre'  loc-style-tango or milonga;set-pl-sced;prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  14320697
                                           'mtime'  1620540839
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [2001] 05 loc style or milonga;set pl sced;prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Gotan Project
                                     'tag_release'  La revancha del tango
                                       'tag_title'  Santa María (Del Buen Ayre)
                                             'bpm'  118.2
                                    'search_title'  'ayre':7,8 'buen':6 'del':4,5 'maria':2,3 'santa':1
                                   'search_artist'  'gotan':1 'project':2
                                  'search_release'  'del':3 'la':1 'revancha':2 'tango':4
                                     'search_rest'  '00poprockelectronic':1 '2001':2,3 'bossa':20 'exotica':19 'jazz':17 'jb':16 'loc':4 'lounge':18 'milonga':7,9 'or':6 'pl':11 'prerock':13,15 'sced':12,14 'set':8,10 'style':5
                                    'search_combo'  '00poprockelectronic':15 '2001':16,17 'ayre':7A,8A 'bossa':34 'buen':6A 'del':4A,5A,13C 'exotica':33 'gotan':9B 'jazz':31 'jb':30 'la':11C 'loc':18 'lounge':32 'maria':2A,3A 'milonga':21,23 'or':20 'pl':25 'prerock':27,29 'project':10B 'revancha':12C 'santa':1A 'sced':26,28 'set':22,24 'style':19 'tango':14C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'downtempo', 'electronic', 'chillout', 'tango']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620540838.5350573  (2021-05-09 08:13:58)
                             'size'  14320697