======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '230'
                                          'artist'  'Imperio Argentina'
                                     'text_people'  ''
                                         'release'  'french tanguerooo'
                                           'title'  'Nana De Sevilla'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-JZFKS-1', '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-1', 'q-vocals-4', 'q-mixbeat-1', "
 "'Q-PIANO-3']")
                                      'lastfmtags'  "['argentina', 'perluismimaster', 'under two minutes', 'copla', 'perlarita']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '138.512'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'french tanguerooo'
'TBPM' (BPM (beats per minute))                     '138.512'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TDRC' (Recording time)                             '1995'
'TENC' (Encoded by)                                 'FrenchTanguero'
'TIT2' (Title/songname/content description)         'Nana De Sevilla'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Imperio Argentina'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['argentina', 'perluismimaster', 'under two minutes', 'copla', 'perlarita']
'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'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.23 dB'
'TXXX:replaygain_track_peak'                        '0.422141'

========================== row from database ==========================
                                              'id'  924963
                                            'path'  /data/Music/Bulk/00localcharacter/french tanguerooo/imperio argentina - nana de sevilla.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  230
                                           'genre'  loc-eur-france
                                        'filesize'  4609920
                                           'mtime'  1620536258
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter imperio argentina nana de sevilla loc eur france
                                      'tag_artist'  Imperio Argentina
                                     'tag_release'  french tanguerooo
                                       'tag_title'  Nana De Sevilla
                                             'bpm'  138.512
                                    'search_title'  'de':2 'nana':1 'sevilla':3
                                   'search_artist'  'argentina':2 'imperio':1
                                  'search_release'  'french':1 'tanguerooo':2
                                     'search_rest'  'argentina':2 'de':4 'eur':7 'france':8 'imperio':1 'loc':6 'nana':3 'sevilla':5
                                    'search_combo'  'argentina':5B,9 'de':2A,11 'eur':14 'france':15 'french':6C 'imperio':4B,8 'loc':13 'nana':1A,10 'sevilla':3A,12 'tanguerooo':7C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-3', '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-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['argentina', 'perluismimaster', 'under two minutes', 'copla', 'perlarita']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536258.387518  (2021-05-09 06:57:38)
                             'size'  4609920