======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '240'
                                          'artist'  'The Mops'
                                     'text_people'  ''
                                         'release'  "Tape No019 - I'm Going To Change The World - Part II"
                                           'title'  'San Franciscan Nights'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'garage', 'psychedelic rock', 'japanese', 'psychedelic']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '121.6'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Tape No019 - I'm Going To Change The World - Part II"
'TBPM' (BPM (beats per minute))                     '121.6'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'San Franciscan Nights'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Mops'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '15'
'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'                                   ['60s', 'garage', 'psychedelic rock', 'japanese', 'psychedelic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+1.08 dB'
'TXXX:replaygain_track_peak'                        '0.690512'
'TXXX:tracknum'                                     '15'

========================== row from database ==========================
                                              'id'  505736
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT019/15 - The Mops - San Franciscan Nights.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  240
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3861274
                                           'mtime'  1620382855
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT019 15 rock gr garage;set pl garagetapes
                                      'tag_artist'  The Mops
                                     'tag_release'  Tape No019 - I'm Going To Change The World - Part II
                                       'tag_title'  San Franciscan Nights
                                             'bpm'  121.6
                                    'search_title'  'franciscan':2 'nights':3 'san':1
                                   'search_artist'  'mops':2 'the':1
                                  'search_release'  'change':8 'going':6 'i':3 'ii':12 'im':5 'm':4 'no019':2 'part':11 'tape':1 'the':9 'to':7 'world':10
                                     'search_rest'  'blogspot':2 'com':3 'garage':8,10 'garagetapes':1,13 'garagetapesblogspotcom':4 'gr':7 'gt019':5 'pl':12 'rock':6 'set':9,11
                                    'search_combo'  'blogspot':19 'change':13C 'com':20 'franciscan':2A 'garage':25,27 'garagetapes':18,30 'garagetapesblogspotcom':21 'going':11C 'gr':24 'gt019':22 'i':8C 'ii':17C 'im':10C 'm':9C 'mops':5B 'nights':3A 'no019':7C 'part':16C 'pl':29 'rock':23 'san':1A 'set':26,28 'tape':6C 'the':4B,14C 'to':12C 'world':15C
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'garage', 'psychedelic rock', 'japanese', 'psychedelic']
                                        'tag_date'  1965
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620382854.6048226  (2021-05-07 12:20:54)
                             'size'  3861274