======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '156'
                                          'artist'  'Gianfranco Plenizio'
                                     'text_people'  ''
                                         'release'  'La gatta in calore'
                                           'title'  'Musica per Anna'
                                           'quals'  ("['Q-HAP-3', 'Q-SYN-1', 'Q-UNU-1', 'Q-BUSY-2', 'Q-GRIT-3', 'Q-PLAY-3', "
 "'q-bass-4', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-OLDST-2', 'q-drums-3', 'q-other-3', "
 "'q-piano-2', 'q-vocals-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['soundtrack', 'italian', 'lounge', 'easy listening', 'secretagent']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '12'
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'soundtrack-library'
                                             'bpm'  '84.3'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Beat Records Company \u200e– LPF 013 S'
'COMM:ID3v1 Comment:eng'                            'Beat Records Company ?– LPF'
'TALB' (Album/Movie/Show title)                     'La gatta in calore'
'TBPM' (BPM (beats per minute))                     '84.3'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-library'
'TDOR' (Original release time)                      '1972'
'TDRC' (Recording time)                             '1972'
'TIT2' (Title/songname/content description)         'Musica per Anna'
'TKEY' (Initial key)                                '12B'
'TMED' (Media type)                                 'Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Gianfranco Plenizio'
'TPE2' (Band/orchestra/accompaniment)               'Gianfranco Plenizio'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Beat Records Company'
'TRCK' (Track number/Position in set)               '4/12'
'TSO2'                                              'Plenizio, Gianfranco'
'TSOP' (Performer sort order)                       'Plenizio, Gianfranco'
'TXXX:Artists'                                      'Gianfranco Plenizio'
'TXXX:CATALOGNUMBER'                                'LPF 013'
'TXXX:MusicBrainz Album Artist Id'                  '5a294708-73b0-48f4-9f6e-bf2135fa7acd'
'TXXX:MusicBrainz Album Id'                         '87bde007-3007-469b-953d-3093b7290ad3'
'TXXX:MusicBrainz Album Release Country'            'IT'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/soundtrack'
'TXXX:MusicBrainz Artist Id'                        '5a294708-73b0-48f4-9f6e-bf2135fa7acd'
'TXXX:MusicBrainz Release Group Id'                 '9fb6dbe8-d274-4a68-a00e-5f679f01062f'
'TXXX:MusicBrainz Release Track Id'                 'ceccb2d9-0f02-32e8-8943-4e3b990f0bb2'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['soundtrack', 'italian', 'lounge', 'easy listening', 'secretagent']
'TXXX:originalyear'                                 '1972'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+6.76 dB'
'TXXX:replaygain_track_peak'                        '0.530964'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'637987db-066d-4858-b2e7-d0b655f8d957')

========================== row from database ==========================
                                              'id'  1495752
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/[Beat Records] - LPF 013 - Gianfranco Plenizio - La Gatta In Calore [320] (1972)/LPF 013 -04- Gianfranco Plenizio - Musica Per Anna.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  156
                                           'genre'  soundtrack-library
                                        'filesize'  6265279
                                           'mtime'  1636400056
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy [Beat Records] LPF 013 Gatta In Calore [320] (1972) LPF 013 04 Per soundtrack library
                                      'tag_artist'  Gianfranco Plenizio
                                     'tag_release'  La gatta in calore
                                       'tag_title'  Musica per Anna
                                             'bpm'  84.3
                                    'search_title'  'anna':3 'musica':1 'per':2
                                   'search_artist'  'gianfranco':1 'plenizio':2
                                  'search_release'  'calore':4 'gatta':2 'in':3 'la':1
                                     'search_rest'  '1972':12,13 '320':10,11 'beat':2,3 'calore':9 'classicprogpsy':1 'gatta':7 'in':8 'library':16 'lpf':6 'per':14 'records':4,5 'soundtrack':15
                                    'search_combo'  '1972':21,22 '320':19,20 'anna':3A 'beat':11,12 'calore':9C,18 'classicprogpsy':10 'gatta':7C,16 'gianfranco':4B 'in':8C,17 'la':6C 'library':25 'lpf':15 'musica':1A 'per':2A,23 'plenizio':5B 'records':13,14 'soundtrack':24
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-2', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['soundtrack', 'italian', 'lounge', 'easy listening', 'secretagent']
                                        'tag_date'  1972
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636400055.7768292  (2021-11-08 20:34:15)
                             'size'  6265279