======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '148'
                                          'artist'  'Marco Polo Y Los Espadas'
                                     'text_people'  ''
                                         'release'  'Tape No202 - Turn Me Loose'
                                           'title'  'Hey! Hey! Chavos Y Chavas'
                                           '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-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '136.5'
                                             'key'  '6A'
                                        '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 No202 - Turn Me Loose'
'TBPM' (BPM (beats per minute))                     '136.5'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Hey! Hey! Chavos Y Chavas'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Marco Polo Y Los Espadas'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '16'
'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'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '+25.05 dB'
'TXXX:replaygain_track_peak'                        '0.052716'
'TXXX:tracknum'                                     '16'

========================== row from database ==========================
                                              'id'  507186
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT202/16 - Marco Polo Y Los Espadas - Hey! Hey! Chavos Y Chavas (196 US) (La Voz del Evangelio).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  148
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3637826
                                           'mtime'  1620385225
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT202 16 (196 US) (La Voz del Evangelio) rock gr garage;set pl garagetapes
                                      'tag_artist'  Marco Polo Y Los Espadas
                                     'tag_release'  Tape No202 - Turn Me Loose
                                       'tag_title'  Hey! Hey! Chavos Y Chavas
                                             'bpm'  136.5
                                    'search_title'  'chavas':4 'chavos':2 'hey':1 'y':3
                                   'search_artist'  'espadas':5 'los':4 'marco':1 'polo':2 'y':3
                                  'search_release'  'loose':5 'me':4 'no202':2 'tape':1 'turn':3
                                     'search_rest'  '196':6,7 'blogspot':2 'com':3 'del':13 'evangelio':14,15 'garage':18,20 'garagetapes':1,23 'garagetapesblogspotcom':4 'gr':17 'gt202':5 'la':10,11 'pl':22 'rock':16 'set':19,21 'us':8,9 'voz':12
                                    'search_combo'  '196':20,21 'blogspot':16 'chavas':4A 'chavos':2A 'com':17 'del':27 'espadas':9B 'evangelio':28,29 'garage':32,34 'garagetapes':15,37 'garagetapesblogspotcom':18 'gr':31 'gt202':19 'hey':1A 'la':24,25 'loose':14C 'los':8B 'marco':5B 'me':13C 'no202':11C 'pl':36 'polo':6B 'rock':30 'set':33,35 'tape':10C 'turn':12C 'us':22,23 'voz':26 'y':3A,7B
                                    'tag_tracknum'  16
                                      'num_images'  1
                                             'key'  6A
                                           '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-4', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385225.211253  (2021-05-07 13:00:25)
                             'size'  3637826