======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '174'
                                          'artist'  'Hector Maure'
                                     'text_people'  ''
                                         'release'  'french tanguerooo'
                                           'title'  'Los mareados - Guitarras'
                                           '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']")
                                      'lastfmtags'  "['tango', 'world', 'argentina', 'classical tango']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'loc-style-tango or milonga'
                                             'bpm'  '122.659'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'TALB' (Album/Movie/Show title)                     'french tanguerooo'
'TBPM' (BPM (beats per minute))                     '122.659'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-tango or milonga'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Los mareados - Guitarras'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '174785'
'TPE1' (Lead performer(s)/Soloist(s))               'Hector Maure'
'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:lastfmtags'                                   ['tango', 'world', 'argentina', 'classical tango']
'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'                        '+1.76 dB'
'TXXX:replaygain_track_peak'                        '0.406296'

========================== row from database ==========================
                                              'id'  923867
                                            'path'  /data/Music/Bulk/00localcharacter/french tanguerooo/h maure - g - los mareados - 1951.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  174
                                           'genre'  loc-style-tango or milonga
                                        'filesize'  1400330
                                           'mtime'  1620528339
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter maure los 1951 loc style tango milonga
                                      'tag_artist'  Hector Maure
                                     'tag_release'  french tanguerooo
                                       'tag_title'  Los mareados - Guitarras
                                             'bpm'  122.659
                                    'search_title'  'guitarras':3 'los':1 'mareados':2
                                   'search_artist'  'hector':1 'maure':2
                                  'search_release'  'french':1 'tanguerooo':2
                                     'search_rest'  '1951':3 'loc':4 'los':2 'maure':1 'milonga':7 'style':5 'tango':6
                                    'search_combo'  '1951':10 'french':6C 'guitarras':3A 'hector':4B 'loc':11 'los':1A,9 'mareados':2A 'maure':5B,8 'milonga':14 'style':12 'tango':13 'tanguerooo':7C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9A
                                           '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'  ['tango', 'world', 'argentina', 'classical tango']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528338.947285  (2021-05-09 04:45:38)
                             'size'  1400330