======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '150'
                                          'artist'  'Vars'
                                     'text_people'  ''
                                         'release'  'Tape No183 - Real Girls In The Garage Land (Part L)'
                                           'title'  'Never Wanted to Let You Go'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '143.4'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Tape No183 - Real Girls In The Garage Land (Part L)'
'TBPM' (BPM (beats per minute))                     '143.4'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'Never Wanted to Let You Go'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Vars'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '11'
'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'                                      'US'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+23.23 dB'
'TXXX:replaygain_track_peak'                        '0.011144'
'TXXX:tracknum'                                     '11'

========================== row from database ==========================
                                              'id'  506486
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT183 - Real Girls In The Garage Land (Part L)/11 - Vars - Never Wanted to Let You Go (1968 US) (Commercial Features).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  150
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3662224
                                           'mtime'  1620385063
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT183 11 (1968 US) (Commercial Features) rock gr garage;set pl garagetapes
                                      'tag_artist'  Vars
                                     'tag_release'  Tape No183 - Real Girls In The Garage Land (Part L)
                                       'tag_title'  Never Wanted to Let You Go
                                             'bpm'  143.4
                                    'search_title'  'go':6 'let':4 'never':1 'to':3 'wanted':2 'you':5
                                   'search_artist'  'vars':1
                                  'search_release'  'garage':7 'girls':4 'in':5 'l':11,12 'land':8 'no183':2 'part':9,10 'real':3 'tape':1 'the':6
                                     'search_rest'  '1968':6,7 'blogspot':2 'com':3 'commercial':10,11 'features':12,13 'garage':16,18 'garagetapes':1,21 'garagetapesblogspotcom':4 'gr':15 'gt183':5 'pl':20 'rock':14 'set':17,19 'us':8,9
                                    'search_combo'  '1968':25,26 'blogspot':21 'com':22 'commercial':29,30 'features':31,32 'garage':14C,35,37 'garagetapes':20,40 'garagetapesblogspotcom':23 'girls':11C 'go':6A 'gr':34 'gt183':24 'in':12C 'l':18C,19C 'land':15C 'let':4A 'never':1A 'no183':9C 'part':16C,17C 'pl':39 'real':10C 'rock':33 'set':36,38 'tape':8C 'the':13C 'to':3A 'us':27,28 'vars':7B 'wanted':2A 'you':5A
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  9B
                                           '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-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385063.1198146  (2021-05-07 12:57:43)
                             'size'  3662224