======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '187'
                                          'artist'  'Trio Hugo Diaz'
                                     'text_people'  'Julián Plaza'
                                         'release'  'french tanguerooo'
                                           'title'  'Danzarin   '
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'Q-PLAY-2', 'q-bass-3', 'q-busy-3', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-1', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['latin', 'tango']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'loc-style-tango or milonga'
                                             'bpm'  '127.204'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'french tanguerooo'
'TBPM' (BPM (beats per minute))                     '127.204'
'TCOM' (Composer)                                   'Julián Plaza'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-tango or milonga'
'TDRC' (Recording time)                             '1999'
'TENC' (Encoded by)                                 'FrenchTanguero'
'TIT2' (Title/songname/content description)         'Danzarin   '
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Trio Hugo Diaz'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Arc Music'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['latin', 'tango']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.81 dB'
'TXXX:replaygain_track_peak'                        '0.800181'

========================== row from database ==========================
                                              'id'  924891
                                            'path'  /data/Music/Bulk/00localcharacter/french tanguerooo/trio hugo diaz - danzarin.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  187
                                           'genre'  loc-style-tango or milonga
                                        'filesize'  2998072
                                           'mtime'  1620528418
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter trio hugo diaz danzarin loc style tango or milonga
                                      'tag_artist'  Trio Hugo Diaz
                                     'tag_release'  french tanguerooo
                                       'tag_title'  Danzarin   
                                             'bpm'  127.204
                                    'search_title'  'danzarin':1
                                   'search_artist'  'diaz':3 'hugo':2 'trio':1
                                  'search_release'  'french':1 'tanguerooo':2
                                     'search_rest'  'danzarin':4 'diaz':3 'hugo':2 'loc':5 'milonga':9 'or':8 'style':6 'tango':7 'trio':1
                                    'search_combo'  'danzarin':1A,10 'diaz':4B,9 'french':5C 'hugo':3B,8 'loc':11 'milonga':15 'or':14 'style':12 'tango':13 'tanguerooo':6C 'trio':2B,7
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1999
                                     'discogstags'  ['latin', 'tango']

============================== file details ==============================
                                           'mtime'  1620528418.267489  (2021-05-09 04:46:58)
                             'size'  2998072