======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '172'
                                          'artist'  'Los Monstruos'
                                     'text_people'  ''
                                         'release'  ("Tape No071 - I'm Going To Change The World (Covering The Songs Of Eric "
 'Burdon And The Animals, Part III)')
                                           'title'  'Vamos Hay'
                                           '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-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['chile', 'rock chileno', 'en busca del tiempo perdido', 'balticos', 'sol "
 "dominguez']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '123.7'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     ("Tape No071 - I'm Going To Change The World (Covering The Songs Of Eric "
 'Burdon And The Animals, Part III)')
'TBPM' (BPM (beats per minute))                     '123.7'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         'Vamos Hay'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Los Monstruos'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10'
'TXXX:COUNTRY'                                      'MX'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['chile',
 'rock chileno',
 'en busca del tiempo perdido',
 'balticos',
 'sol dominguez']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+24.83 dB'
'TXXX:replaygain_track_peak'                        '0.034234'
'TXXX:tracknum'                                     '10'

========================== row from database ==========================
                                              'id'  1528124
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT071 - I_m Going To Change The World (Part III)/10 - Los Monstruos - Vamos Hay  (1966 MX).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  172
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4216049
                                           'mtime'  1620383414
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT071 I_m (Part 10 (1966 MX) rock gr garage;set pl garagetapes
                                      'tag_artist'  Los Monstruos
                                     'tag_release'  Tape No071 - I'm Going To Change The World (Covering The Songs Of Eric Burdon And The Animals, Part III)
                                       'tag_title'  Vamos Hay
                                             'bpm'  123.7
                                    'search_title'  'hay':2 'vamos':1
                                   'search_artist'  'los':1 'monstruos':2
                                  'search_release'  'and':17 'animals':18,19 'burdon':16 'change':8 'covering':11,12 'eric':15 'going':6 'i':3 'iii':21,22 'im':5 'm':4 'no071':2 'of':14 'part':20 'songs':13 'tape':1 'the':9 'to':7 'world':10
                                     'search_rest'  '1966':10,11 'blogspot':2 'com':3 'garage':16,18 'garagetapes':1,21 'garagetapesblogspotcom':4 'gr':15 'gt071':5 'i':6 'm':7 'mx':12,13 'part':8,9 'pl':20 'rock':14 'set':17,19
                                    'search_combo'  '1966':36,37 'and':21C 'animals':22C,23C 'blogspot':28 'burdon':20C 'change':12C 'com':29 'covering':15C,16C 'eric':19C 'garage':42,44 'garagetapes':27,47 'garagetapesblogspotcom':30 'going':10C 'gr':41 'gt071':31 'hay':2A 'i':7C,32 'iii':25C,26C 'im':9C 'los':3B 'm':8C,33 'monstruos':4B 'mx':38,39 'no071':6C 'of':18C 'part':24C,34,35 'pl':46 'rock':40 'set':43,45 'songs':17C 'tape':5C 'the':13C 'to':11C 'vamos':1A 'world':14C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  9A
                                           '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-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['chile', 'rock chileno', 'en busca del tiempo perdido', 'balticos', 'sol dominguez']
                                        'tag_date'  1966
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620383414.076891  (2021-05-07 12:30:14)
                             'size'  4216049