======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '159'
                                          'artist'  'Sonia'
                                     'text_people'  ''
                                         'release'  'Tape No077 - Play With Fire (Covering The Rolling Stones, Part II)'
                                           'title'  'En Mi Nube'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['80s', 'dance', 'female vocalists', 'eurovision', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '136.8'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     'Tape No077 - Play With Fire (Covering The Rolling Stones, Part II)'
'TBPM' (BPM (beats per minute))                     '136.8'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         'En Mi Nube'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sonia'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '08'
'TXXX:COUNTRY'                                      'ES'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['80s', 'dance', 'female vocalists', 'eurovision', 'pop']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+24.81 dB'
'TXXX:replaygain_track_peak'                        '0.022860'
'TXXX:tracknum'                                     '08'

========================== row from database ==========================
                                              'id'  505840
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT077/08 - Sonia -  En Mi Nube (1966 ES).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  159
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3911973
                                           'mtime'  1620383533
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT077 08 (1966 ES) rock gr garage;set pl garagetapes
                                      'tag_artist'  Sonia
                                     'tag_release'  Tape No077 - Play With Fire (Covering The Rolling Stones, Part II)
                                       'tag_title'  En Mi Nube
                                             'bpm'  136.8
                                    'search_title'  'en':1 'mi':2 'nube':3
                                   'search_artist'  'sonia':1
                                  'search_release'  'covering':6,7 'fire':5 'ii':13,14 'no077':2 'part':12 'play':3 'rolling':9 'stones':10,11 'tape':1 'the':8 'with':4
                                     'search_rest'  '1966':6,7 'blogspot':2 'com':3 'es':8,9 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt077':5 'pl':16 'rock':10 'set':13,15
                                    'search_combo'  '1966':24,25 'blogspot':20 'com':21 'covering':10C,11C 'en':1A 'es':26,27 'fire':9C 'garage':30,32 'garagetapes':19,35 'garagetapesblogspotcom':22 'gr':29 'gt077':23 'ii':17C,18C 'mi':2A 'no077':6C 'nube':3A 'part':16C 'pl':34 'play':7C 'rock':28 'rolling':13C 'set':31,33 'sonia':4B 'stones':14C,15C 'tape':5C 'the':12C 'with':8C
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'dance', 'female vocalists', 'eurovision', 'pop']
                                        'tag_date'  1966
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620383533.433379  (2021-05-07 12:32:13)
                             'size'  3911973