======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '181'
                                          'artist'  'The Jets'
                                     'text_people'  ''
                                         'release'  ("Tape No141 - I'm Going To Change The World (Covering The Sounds Of Eric "
 'Burdon And The Animals, Part VI)')
                                           'title'  'When I Was Young'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['80s', 'pop', 'dance', 'disco', 'rockabilly']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '123.6'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     ("Tape No141 - I'm Going To Change The World (Covering The Sounds Of Eric "
 'Burdon And The Animals, Part VI)')
'TBPM' (BPM (beats per minute))                     '123.6'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'When I Was Young'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Jets'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'http://garagetapes.blogspot.gr/'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:country'                                      'SG'
'TXXX:lastfmtags'                                   ['80s', 'pop', 'dance', 'disco', 'rockabilly']
'TXXX:q-bass'                                       '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+25.51 dB'
'TXXX:replaygain_track_peak'                        '0.016728'
'TXXX:tracknum'                                     '13'

========================== row from database ==========================
                                              'id'  499752
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT141/13 - The Jets - When I Was Young (196 SG).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  181
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4411531
                                           'mtime'  1620384696
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT141 13 (196 SG) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Jets
                                     'tag_release'  Tape No141 - I'm Going To Change The World (Covering The Sounds Of Eric Burdon And The Animals, Part VI)
                                       'tag_title'  When I Was Young
                                             'bpm'  123.6
                                    'search_title'  'i':2 'was':3 'when':1 'young':4
                                   'search_artist'  'jets':2 'the':1
                                  'search_release'  'and':17 'animals':18,19 'burdon':16 'change':8 'covering':11,12 'eric':15 'going':6 'i':3 'im':5 'm':4 'no141':2 'of':14 'part':20 'sounds':13 'tape':1 'the':9 'to':7 'vi':21,22 'world':10
                                     'search_rest'  '196':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt141':5 'pl':16 'rock':10 'set':13,15 'sg':8,9
                                    'search_combo'  '196':34,35 'and':23C 'animals':24C,25C 'blogspot':30 'burdon':22C 'change':14C 'com':31 'covering':17C,18C 'eric':21C 'garage':40,42 'garagetapes':29,45 'garagetapesblogspotcom':32 'going':12C 'gr':39 'gt141':33 'i':2A,9C 'im':11C 'jets':6B 'm':10C 'no141':8C 'of':20C 'part':26C 'pl':44 'rock':38 'set':41,43 'sg':36,37 'sounds':19C 'tape':7C 'the':5B,15C 'to':13C 'vi':27C,28C 'was':3A 'when':1A 'world':16C 'young':4A
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', '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-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'pop', 'dance', 'disco', 'rockabilly']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620384696.170508  (2021-05-07 12:51:36)
                             'size'  4411531