======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '164'
                                          'artist'  'Blonde On Blonde'
                                     'text_people'  ''
                                         'release'  'Tape No092 - Eastern Flavor Garage-Psych Sounds (Part II)'
                                           'title'  'Spinning Wheel'
                                           '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-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['progressive rock', 'psychedelic rock', 'psychedelic', 'hard rock', 'aor']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '97.4'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM::\x00jp'                                      'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     'Tape No092 - Eastern Flavor Garage-Psych Sounds (Part II)'
'TBPM' (BPM (beats per minute))                     '97.4'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'Spinning Wheel'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Blonde On Blonde'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '09'
'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'                                      'UK'
'TXXX:lastfmtags'                                   ['progressive rock', 'psychedelic rock', 'psychedelic', 'hard rock', 'aor']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+22.91 dB'
'TXXX:replaygain_track_peak'                        '0.037225'
'TXXX:tracknum'                                     '09'

========================== row from database ==========================
                                              'id'  499940
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT092/09 - Blonde On Blonde - Spinning Wheel (1969 UK).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  164
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3944242
                                           'mtime'  1620383917
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT092 (1969 UK) rock gr garage;set pl garagetapes
                                      'tag_artist'  Blonde On Blonde
                                     'tag_release'  Tape No092 - Eastern Flavor Garage-Psych Sounds (Part II)
                                       'tag_title'  Spinning Wheel
                                             'bpm'  97.4
                                    'search_title'  'spinning':1 'wheel':2
                                   'search_artist'  'blonde':1 'on':2
                                  'search_release'  'eastern':3 'flavor':4 'garage':5 'garagepsych':7 'ii':11,12 'no092':2 'part':9,10 'psych':6 'sounds':8 'tape':1
                                     'search_rest'  '1969':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt092':5 'pl':16 'rock':10 'set':13,15 'uk':8,9
                                    'search_combo'  '1969':22,23 'blogspot':18 'blonde':3B 'com':19 'eastern':7C 'flavor':8C 'garage':9C,28,30 'garagepsych':11C 'garagetapes':17,33 'garagetapesblogspotcom':20 'gr':27 'gt092':21 'ii':15C,16C 'no092':6C 'on':4B 'part':13C,14C 'pl':32 'psych':10C 'rock':26 'set':29,31 'sounds':12C 'spinning':1A 'tape':5C 'uk':24,25 'wheel':2A
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'psychedelic rock', 'psychedelic', 'hard rock', 'aor']
                                        'tag_date'  1969
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620383916.563655  (2021-05-07 12:38:36)
                             'size'  3944242