======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '117'
                                          'artist'  'Los Sleepers'
                                     'text_people'  ''
                                         'release'  'Tape No204 - Summertime Blues (Part I)'
                                           'title'  'A volar'
                                           '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-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['garage rock', 'rock', 'all', 'halloween', 'garage']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '109.5'
                                             'key'  '12B'
                                        '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 No204 - Summertime Blues (Part I)'
'TBPM' (BPM (beats per minute))                     '109.5'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'A volar'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Los Sleepers'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['garage rock', 'rock', 'all', 'halloween', 'garage']
'TXXX:q-bass'                                       '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+18.75 dB'
'TXXX:replaygain_track_peak'                        '0.063261'
'TXXX:tracknum'                                     '08'

========================== row from database ==========================
                                              'id'  504145
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT204/08 - Los Sleepers - A volar (196 MX).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  117
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  2866533
                                           'mtime'  1620385237
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT204 08 (196 MX) rock gr garage;set pl garagetapes
                                      'tag_artist'  Los Sleepers
                                     'tag_release'  Tape No204 - Summertime Blues (Part I)
                                       'tag_title'  A volar
                                             'bpm'  109.5
                                    'search_title'  'a':1 'volar':2
                                   'search_artist'  'los':1 'sleepers':2
                                  'search_release'  'blues':4 'i':7,8 'no204':2 'part':5,6 'summertime':3 'tape':1
                                     'search_rest'  '196':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt204':5 'mx':8,9 'pl':16 'rock':10 'set':13,15
                                    'search_combo'  '196':18,19 'a':1A 'blogspot':14 'blues':8C 'com':15 'garage':24,26 'garagetapes':13,29 'garagetapesblogspotcom':16 'gr':23 'gt204':17 'i':11C,12C 'los':3B 'mx':20,21 'no204':6C 'part':9C,10C 'pl':28 'rock':22 'set':25,27 'sleepers':4B 'summertime':7C 'tape':5C 'volar':2A
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  12B
                                           '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-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['garage rock', 'rock', 'all', 'halloween', 'garage']
                                        'tag_date'  1965
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620385237.3654146  (2021-05-07 13:00:37)
                             'size'  2866533