======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '163'
                                          'artist'  'Armando Pontier-Alberto Podesta'
                                     'text_people'  ''
                                         'release'  'french tanguerooo'
                                           'title'  'Pecado    xxx'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'loc-style-tango or milonga'
                                             'bpm'  '121.337'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'french tanguerooo'
'TBPM' (BPM (beats per minute))                     '121.337'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-tango or milonga'
'TDRC' (Recording time)                             '1995'
'TENC' (Encoded by)                                 'FrenchTanguero'
'TIT2' (Title/songname/content description)         'Pecado    xxx'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Armando Pontier-Alberto Podesta'
'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'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.42 dB'
'TXXX:replaygain_track_peak'                        '0.550044'

========================== row from database ==========================
                                              'id'  927499
                                            'path'  /data/Music/Bulk/00localcharacter/french tanguerooo/armando pontier-alberto podestá - pecado.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  163
                                           'genre'  loc-style-tango or milonga
                                        'filesize'  2623488
                                           'mtime'  1620528286
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter armando pontier alberto podestá pecado loc style tango or milonga
                                      'tag_artist'  Armando Pontier-Alberto Podesta
                                     'tag_release'  french tanguerooo
                                       'tag_title'  Pecado    xxx
                                             'bpm'  121.337
                                    'search_title'  'pecado':1 'xxx':2
                                   'search_artist'  'alberto':3 'armando':1 'podesta':5 'pontier':2 'pontieralberto':4
                                  'search_release'  'french':1 'tanguerooo':2
                                     'search_rest'  'alberto':3 'armando':1 'loc':7 'milonga':11 'or':10 'pecado':6 'podesta':4,5 'pontier':2 'style':8 'tango':9
                                    'search_combo'  'alberto':5B,12 'armando':3B,10 'french':8C 'loc':16 'milonga':20 'or':19 'pecado':1A,15 'podesta':7B,13,14 'pontier':4B,11 'pontieralberto':6B 'style':17 'tango':18 'tanguerooo':9C 'xxx':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528286.141518  (2021-05-09 04:44:46)
                             'size'  2623488