======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '153'
                                          'artist'  'Lone Star'
                                     'text_people'  ''
                                         'release'  ("Tape No094 - I'm Going To Change The World (Covering The Songs Of Eric "
 'Burdon And The Animals, Part IV)')
                                           'title'  'Yo lloro'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['fip', '60s', 'spanish rock', 'rock', 'hard rock', 'progressive rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '145.5'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM::\x00bl'                                      'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     ("Tape No094 - I'm Going To Change The World (Covering The Songs Of Eric "
 'Burdon And The Animals, Part IV)')
'TBPM' (BPM (beats per minute))                     '145.5'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         'Yo lloro'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lone Star'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:country'                                      'ES'
'TXXX:lastfmtags'                                   ['fip', '60s', 'spanish rock', 'rock', 'hard rock', 'progressive rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+23.11 dB'
'TXXX:replaygain_track_peak'                        '0.032860'
'TXXX:tracknum'                                     '12'

========================== row from database ==========================
                                              'id'  501795
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT094/12 - Lone Star - Yo lloro (1966 ES).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  153
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3678034
                                           'mtime'  1620383952
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT094 12 (1966 ES) rock gr garage;set pl garagetapes
                                      'tag_artist'  Lone Star
                                     'tag_release'  Tape No094 - I'm Going To Change The World (Covering The Songs Of Eric Burdon And The Animals, Part IV)
                                       'tag_title'  Yo lloro
                                             'bpm'  145.5
                                    'search_title'  'lloro':2 'yo':1
                                   'search_artist'  'lone':1 'star':2
                                  'search_release'  'and':17 'animals':18,19 'burdon':16 'change':8 'covering':11,12 'eric':15 'going':6 'i':3 'im':5 'iv':21,22 'm':4 'no094':2 'of':14 'part':20 'songs':13 'tape':1 'the':9 'to':7 'world':10
                                     'search_rest'  '1966':6,7 'blogspot':2 'com':3 'es':8,9 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt094':5 'pl':16 'rock':10 'set':13,15
                                    'search_combo'  '1966':32,33 'and':21C 'animals':22C,23C 'blogspot':28 'burdon':20C 'change':12C 'com':29 'covering':15C,16C 'eric':19C 'es':34,35 'garage':38,40 'garagetapes':27,43 'garagetapesblogspotcom':30 'going':10C 'gr':37 'gt094':31 'i':7C 'im':9C 'iv':25C,26C 'lloro':2A 'lone':3B 'm':8C 'no094':6C 'of':18C 'part':24C 'pl':42 'rock':36 'set':39,41 'songs':17C 'star':4B 'tape':5C 'the':13C 'to':11C 'world':14C 'yo':1A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['fip', '60s', 'spanish rock', 'rock', 'hard rock', 'progressive rock']
                                        'tag_date'  1966
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620383952.2728424  (2021-05-07 12:39:12)
                             'size'  3678034