======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '204'
                                          'artist'  'The Moving Sidewalks'
                                     'text_people'  ''
                                         'release'  'Tape No030 - Here To Stay'
                                           'title'  'I Want To Hold Your Hand'
                                           '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-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['psychedelic rock', 'garage rock', 'psychedelic', 'garage', '60s']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '141.2'
                                             'key'  '10A'
                                        '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 No030 - Here To Stay'
'TBPM' (BPM (beats per minute))                     '141.2'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'I Want To Hold Your Hand'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Moving Sidewalks'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['psychedelic rock', 'garage rock', 'psychedelic', 'garage', '60s']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+23.70 dB'
'TXXX:replaygain_track_peak'                        '0.023232'
'TXXX:tracknum'                                     '10'

========================== row from database ==========================
                                              'id'  499913
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT030 - Here To Stay/10 - The Moving Sidewalks - I Want To Hold Your Hand (1968).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  204
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4955453
                                           'mtime'  1620382969
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT030 10 (1968) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Moving Sidewalks
                                     'tag_release'  Tape No030 - Here To Stay
                                       'tag_title'  I Want To Hold Your Hand
                                             'bpm'  141.2
                                    'search_title'  'hand':6 'hold':4 'i':1 'to':3 'want':2 'your':5
                                   'search_artist'  'moving':2 'sidewalks':3 'the':1
                                  'search_release'  'here':3 'no030':2 'stay':5 'tape':1 'to':4
                                     'search_rest'  '1968':6,7 'blogspot':2 'com':3 'garage':10,12 'garagetapes':1,15 'garagetapesblogspotcom':4 'gr':9 'gt030':5 'pl':14 'rock':8 'set':11,13
                                    'search_combo'  '1968':20,21 'blogspot':16 'com':17 'garage':24,26 'garagetapes':15,29 'garagetapesblogspotcom':18 'gr':23 'gt030':19 'hand':6A 'here':12C 'hold':4A 'i':1A 'moving':8B 'no030':11C 'pl':28 'rock':22 'set':25,27 'sidewalks':9B 'stay':14C 'tape':10C 'the':7B 'to':3A,13C 'want':2A 'your':5A
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  10A
                                           '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-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic rock', 'garage rock', 'psychedelic', 'garage', '60s']
                                        'tag_date'  1968
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620382968.6392252  (2021-05-07 12:22:48)
                             'size'  4955453