======================== unified (from filesystem) ========================
                                         'bitrate'  '176.049'
                                        'duration'  '154'
                                          'artist'  'Perez Prado'
                                     'text_people'  ''
                                         'release'  'Twist Goes Latin'
                                           'title'  'La Raspa Twist'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['mambo', 'latin', 'cuban', 'instrumental', 'jazz']"
                                     'discogstags'  "['mambo', 'twist', 'rock', 'latin']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '1962'
                                        'comments'  ''
                                           'genre'  'loc-style-mambo'
                                             'bpm'  '145.790'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000399 0000031C 000015FE 00001419 0001CEFC 0001CEFC 00007F0B 000068FB '
 '0001CEFC 0001CEFC')
'TALB' (Album/Movie/Show title)                     'Twist Goes Latin'
'TBPM' (BPM (beats per minute))                     '145.790'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-mambo'
'TDRC' (Recording time)                             '1962'
'TIT2' (Title/songname/content description)         'La Raspa Twist'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Perez Prado'
'TRCK' (Track number/Position in set)               '05'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['mambo', 'twist', 'rock', 'latin']
'TXXX:lastfmtags'                                   ['mambo', 'latin', 'cuban', 'instrumental', 'jazz']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.17 dB'
'TXXX:replaygain_track_peak'                        '0.708725'

========================== row from database ==========================
                                              'id'  731851
                                            'path'  /data/Music/Bulk/00localcharacter/Perez Prado/Perez Prado - La Raspa Twist.mp3
                                         'working'  None
                                         'bitrate'  176
                                    'duration_sec'  154
                                           'genre'  loc-style-mambo
                                        'filesize'  3396990
                                           'mtime'  1620592823
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter loc style mambo
                                      'tag_artist'  Perez Prado
                                     'tag_release'  Twist Goes Latin
                                       'tag_title'  La Raspa Twist
                                             'bpm'  145.79
                                    'search_title'  'la':1 'raspa':2 'twist':3
                                   'search_artist'  'perez':1 'prado':2
                                  'search_release'  'goes':2 'latin':3 'twist':1
                                     'search_rest'  'loc':1 'mambo':3 'style':2
                                    'search_combo'  'goes':7C 'la':1A 'latin':8C 'loc':9 'mambo':11 'perez':4B 'prado':5B 'raspa':2A 'style':10 'twist':3A,6C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-4', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['mambo', 'latin', 'cuban', 'instrumental', 'jazz']
                                        'tag_date'  1962
                                     'discogstags'  ['mambo', 'twist', 'rock', 'latin']

============================== file details ==============================
                                           'mtime'  1620592822.7451644  (2021-05-09 22:40:22)
                             'size'  3396990