======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '181'
                                          'artist'  'Jo Basile'
                                     'text_people'  ''
                                         'release'  'Rio With Love'
                                           'title'  'A Felicidade'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['diego pisador', 'musette', 'tango', 'french', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1961'
                                        'comments'  ''
                                           'genre'  'mi-accordeon'
                                             'bpm'  '146.000'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Rio With Love'
'TBPM' (BPM (beats per minute))                     '146.000'
'TCON' (Content type, a.k.a. Genre)                 'mi-accordeon'
'TDRC' (Recording time)                             '1961'
'TIT2' (Title/songname/content description)         'A Felicidade'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jo Basile'
'TPE2' (Band/orchestra/accompaniment)               'Jo Basile'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['diego pisador', 'musette', 'tango', 'french', 'easy listening']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+3.35 dB'
'TXXX:replaygain_track_peak'                        '0.362406'

========================== row from database ==========================
                                              'id'  935403
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00french/Accordeón alegre/Jo Basile - . A Felicidade.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  181
                                           'genre'  mi-accordeon
                                        'filesize'  7437990
                                           'mtime'  1620528238
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00french Accordeón alegre . mi accordeon
                                      'tag_artist'  Jo Basile
                                     'tag_release'  Rio With Love
                                       'tag_title'  A Felicidade
                                             'bpm'  146.0
                                    'search_title'  'a':1 'felicidade':2
                                   'search_artist'  'basile':2 'jo':1
                                  'search_release'  'love':3 'rio':1 'with':2
                                     'search_rest'  '00french':4 '00mid':1 'accordeon':5,6 'alegre':7 'europe':3 'mi':8 'north':2
                                    'search_combo'  '00french':11 '00mid':8 'a':1A 'accordeon':12,13 'alegre':14 'basile':4B 'europe':10 'felicidade':2A 'jo':3B 'love':7C 'mi':15 'north':9 'rio':5C 'with':6C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['diego pisador', 'musette', 'tango', 'french', 'easy listening']
                                        'tag_date'  1961
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528237.5440667  (2021-05-09 04:43:57)
                             'size'  7437990