======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '268'
                                          'artist'  'Gotan Project'
                                     'text_people'  ''
                                         'release'  'La revancha del tango'
                                           'title'  'Época'
                                           '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-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'downtempo', 'electronic', 'chillout', 'tango']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  ('loc-style-tango or milonga;set-pl-sced;prerock-jb-jazz-lounge or exotica or '
 'bossa')
                                             'bpm'  '91.1'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000422 0000038C 00002457 00002700 0000C37E 0000C37E 00008000 00008000 '
 '0000C37E 0000C37E')
'TALB' (Album/Movie/Show title)                     'La revancha del tango'
'TBPM' (BPM (beats per minute))                     '91.1'
'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)         'Época'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Gotan Project'
'TPE2' (Band/orchestra/accompaniment)               'Gotan Project'
'TRCK' (Track number/Position in set)               '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.40 dB'
'TXXX:replaygain_track_peak'                        '0.539301'

========================== row from database ==========================
                                              'id'  1295233
                                            'path'  /data/Music/Bulk/00poprockelectronic/Gotan Project/[2001] La revancha del tango/02 Época.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  268
                                           'genre'  loc-style-tango or milonga;set-pl-sced;prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  10747041
                                           'mtime'  1620540838
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [2001] 02 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'  Época
                                             'bpm'  91.1
                                    'search_title'  'epoca':1,2
                                   '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':9 '2001':10,11 'bossa':28 'del':7C 'epoca':1A,2A 'exotica':27 'gotan':3B 'jazz':25 'jb':24 'la':5C 'loc':12 'lounge':26 'milonga':15,17 'or':14 'pl':19 'prerock':21,23 'project':4B 'revancha':6C 'sced':20,22 'set':16,18 'style':13 'tango':8C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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'  1620540838.0157433  (2021-05-09 08:13:58)
                             'size'  10747041