======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '212'
                                          'artist'  'Los Kjarkas'
                                     'text_people'  ''
                                         'release'  'Sentimiento Andino Vol.1'
                                           'title'  'Son Tantas Noches'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['latin', 'bolivia', 'musica andina', 'andina', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-samerica-bolivia'
                                             'bpm'  '85.8'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'TALB' (Album/Movie/Show title)                     'Sentimiento Andino Vol.1'
'TBPM' (BPM (beats per minute))                     '85.8'
'TCON' (Content type, a.k.a. Genre)                 'loc-samerica-bolivia'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Son Tantas Noches'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '212532'
'TPE1' (Lead performer(s)/Soloist(s))               'Los Kjarkas'
'TPE2' (Band/orchestra/accompaniment)               'Los Kjarkas'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['latin', 'bolivia', 'musica andina', 'andina', 'folk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.79 dB'
'TXXX:replaygain_track_peak'                        '0.545157'

========================== row from database ==========================
                                              'id'  1528619
                                            'path'  /data/Music/Bulk/00localcharacter/Los Kjarkas [_01 Sentimiento Andino] CD1/Los Kjarkas [_01 Sentimiento Andino] CD1 - 13. Son Tantas Noches.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  212
                                           'genre'  loc-samerica-bolivia
                                        'filesize'  3402564
                                           'mtime'  1621629743
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter [_01 Andino] CD1 [_01 Andino] CD1 13. loc samerica bolivia
                                      'tag_artist'  Los Kjarkas
                                     'tag_release'  Sentimiento Andino Vol.1
                                       'tag_title'  Son Tantas Noches
                                             'bpm'  85.8
                                    'search_title'  'noches':3 'son':1 'tantas':2
                                   'search_artist'  'kjarkas':2 'los':1
                                  'search_release'  '1':4 'andino':2 'sentimiento':1 'vol':3 'vol1':5
                                     'search_rest'  '01':1,2 '13':6,7 'andino':3,4 'bolivia':10 'cd1':5 'loc':8 'samerica':9
                                    'search_combo'  '01':11,12 '1':9C '13':16,17 'andino':7C,13,14 'bolivia':20 'cd1':15 'kjarkas':5B 'loc':18 'los':4B 'noches':3A 'samerica':19 'sentimiento':6C 'son':1A 'tantas':2A 'vol':8C 'vol1':10C
                                    'tag_tracknum'  13
                                      '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-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['latin', 'bolivia', 'musica andina', 'andina', 'folk']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629742.554922  (2021-05-21 22:42:22)
                             'size'  3402564