======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '207'
                                          'artist'  'Velvet Underground'
                                     'text_people'  ''
                                         'release'  'Tape No113 - Somebody To Love'
                                           'title'  'Somebody To Love'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock', 'psychedelic', 'classic rock', 'proto-punk', '60s']"
                                     'discogstags'  "['pop rock', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '139.9'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'http://garagetapes.blogspot.gr/'
'TALB' (Album/Movie/Show title)                     'Tape No113 - Somebody To Love'
'TBPM' (BPM (beats per minute))                     '139.9'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Somebody To Love'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Velvet Underground'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10'
'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'                                      'AU'
'TXXX:discogstags'                                  ['pop rock', 'pop', 'rock']
'TXXX:lastfmtags'                                   ['rock', 'psychedelic', 'classic rock', 'proto-punk', '60s']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '+18.24 dB'
'TXXX:replaygain_track_peak'                        '0.065316'
'TXXX:tracknum'                                     '10'

========================== row from database ==========================
                                              'id'  506098
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT113/10 - Velvet Underground - Somebody To Love (1970 AU).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  207
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  5024726
                                           'mtime'  1620384415
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT113 10 (1970 AU) rock garage;set pl garagetapes
                                      'tag_artist'  Velvet Underground
                                     'tag_release'  Tape No113 - Somebody To Love
                                       'tag_title'  Somebody To Love
                                             'bpm'  139.9
                                    'search_title'  'love':3 'somebody':1 'to':2
                                   'search_artist'  'underground':2 'velvet':1
                                  'search_release'  'love':5 'no113':2 'somebody':3 'tape':1 'to':4
                                     'search_rest'  '1970':6,7 'au':8,9 'blogspot':2 'com':3 'garage':11,13 'garagetapes':1,16 'garagetapesblogspotcom':4 'gt113':5 'pl':15 'rock':10 'set':12,14
                                    'search_combo'  '1970':16,17 'au':18,19 'blogspot':12 'com':13 'garage':21,23 'garagetapes':11,26 'garagetapesblogspotcom':14 'gt113':15 'love':3A,10C 'no113':7C 'pl':25 'rock':20 'set':22,24 'somebody':1A,8C 'tape':6C 'to':2A,9C 'underground':5B 'velvet':4B
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  8A
                                           '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-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'psychedelic', 'classic rock', 'proto-punk', '60s']
                                        'tag_date'  1970
                                     'discogstags'  ['pop rock', 'pop', 'rock']

============================== file details ==============================
                                           'mtime'  1620384414.762956  (2021-05-07 12:46:54)
                             'size'  5024726