======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '139'
                                          'artist'  'Barbara y Dick'
                                     'text_people'  ''
                                         'release'  'Tape No093 - Real Girls In The Garage Land (Part XXIV)'
                                           'title'  'Los Dias De Pearly Spencer'
                                           '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-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['argentina', 'duo', 'south america', '70arg']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '112.3'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     'Tape No093 - Real Girls In The Garage Land (Part XXIV)'
'TBPM' (BPM (beats per minute))                     '112.3'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'Los Dias De Pearly Spencer'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Barbara y Dick'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '01'
'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'                                      'AR'
'TXXX:lastfmtags'                                   ['argentina', 'duo', 'south america', '70arg']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '+25.91 dB'
'TXXX:replaygain_track_peak'                        '0.018559'
'TXXX:tracknum'                                     '01'

========================== row from database ==========================
                                              'id'  499284
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT093/01 - Barbara y Dick - Los Dias De Pearly Spencer (1968 AR).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  139
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3354624
                                           'mtime'  1620383924
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT093 01 (1968 AR) rock gr garage;set pl garagetapes
                                      'tag_artist'  Barbara y Dick
                                     'tag_release'  Tape No093 - Real Girls In The Garage Land (Part XXIV)
                                       'tag_title'  Los Dias De Pearly Spencer
                                             'bpm'  112.3
                                    'search_title'  'de':3 'dias':2 'los':1 'pearly':4 'spencer':5
                                   'search_artist'  'barbara':1 'dick':3 'y':2
                                  'search_release'  'garage':7 'girls':4 'in':5 'land':8 'no093':2 'part':9,10 'real':3 'tape':1 'the':6 'xxiv':11,12
                                     'search_rest'  '1968':6,7 'ar':8,9 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt093':5 'pl':16 'rock':10 'set':13,15
                                    'search_combo'  '1968':26,27 'ar':28,29 'barbara':6B 'blogspot':22 'com':23 'de':3A 'dias':2A 'dick':8B 'garage':15C,32,34 'garagetapes':21,37 'garagetapesblogspotcom':24 'girls':12C 'gr':31 'gt093':25 'in':13C 'land':16C 'los':1A 'no093':10C 'part':17C,18C 'pearly':4A 'pl':36 'real':11C 'rock':30 'set':33,35 'spencer':5A 'tape':9C 'the':14C 'xxiv':19C,20C 'y':7B
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  11A
                                           '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-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['argentina', 'duo', 'south america', '70arg']
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620383924.1076052  (2021-05-07 12:38:44)
                             'size'  3354624