======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '125'
                                          'artist'  "Surfer's De Los Campeones"
                                     'text_people'  ''
                                         'release'  'Tape No181 - Dance To The Bo Diddley Rhythm (Part III)'
                                           'title'  'Checkered Flag'
                                           '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-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '143.3'
                                             'key'  '1A'
                                        '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 No181 - Dance To The Bo Diddley Rhythm (Part III)'
'TBPM' (BPM (beats per minute))                     '143.3'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Checkered Flag'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               "Surfer's De Los Campeones"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '08'
'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'                                      'MX'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+25.24 dB'
'TXXX:replaygain_track_peak'                        '0.019131'
'TXXX:tracknum'                                     '08'

========================== row from database ==========================
                                              'id'  1499696
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT181/08 - Surfer_s De Los Campeones - Checkered Flag (196 MX).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  125
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3068364
                                           'mtime'  1620385045
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT181 08 Surfer_s (196 MX) rock gr garage;set pl garagetapes
                                      'tag_artist'  Surfer's De Los Campeones
                                     'tag_release'  Tape No181 - Dance To The Bo Diddley Rhythm (Part III)
                                       'tag_title'  Checkered Flag
                                             'bpm'  143.3
                                    'search_title'  'checkered':1 'flag':2
                                   'search_artist'  'campeones':6 'de':4 'los':5 's':2 'surfer':1 'surfers':3
                                  'search_release'  'bo':6 'dance':3 'diddley':7 'iii':11,12 'no181':2 'part':9,10 'rhythm':8 'tape':1 'the':5 'to':4
                                     'search_rest'  '196':8,9 'blogspot':2 'com':3 'garage':14,16 'garagetapes':1,19 'garagetapesblogspotcom':4 'gr':13 'gt181':5 'mx':10,11 'pl':18 'rock':12 's':7 'set':15,17 'surfer':6
                                    'search_combo'  '196':28,29 'blogspot':22 'bo':14C 'campeones':8B 'checkered':1A 'com':23 'dance':11C 'de':6B 'diddley':15C 'flag':2A 'garage':34,36 'garagetapes':21,39 'garagetapesblogspotcom':24 'gr':33 'gt181':25 'iii':19C,20C 'los':7B 'mx':30,31 'no181':10C 'part':17C,18C 'pl':38 'rhythm':16C 'rock':32 's':4B,27 'set':35,37 'surfer':3B,26 'surfers':5B 'tape':9C 'the':13C 'to':12C
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385044.7052531  (2021-05-07 12:57:24)
                             'size'  3068364