======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '145'
                                          'artist'  'The Primates'
                                     'text_people'  ''
                                         'release'  'Tape No029 - The Animal in Me'
                                           'title'  'Knock On My Door'
                                           '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-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['garage revival', 'garage punk', 'spotify', 'yellow balloon cover', 'rat "
 "food radio']")
                                     'discogstags'  "['garage rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '145.8'
                                             'key'  '3A'
                                        '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 No029 - The Animal in Me'
'TBPM' (BPM (beats per minute))                     '145.8'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Knock On My Door'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Primates'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '03'
'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'                                  ['garage rock', 'rock']
'TXXX:lastfmtags'                                   ['garage revival',
 'garage punk',
 'spotify',
 'yellow balloon cover',
 'rat food radio']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                        '+23.46 dB'
'TXXX:replaygain_track_peak'                        '0.020369'
'TXXX:tracknum'                                     '03'

========================== row from database ==========================
                                              'id'  503010
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT029 - The Animal in Me/03 - The Primates - Knock On My Door (1965).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  145
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3551674
                                           'mtime'  1620382951
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT029 03 (1965) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Primates
                                     'tag_release'  Tape No029 - The Animal in Me
                                       'tag_title'  Knock On My Door
                                             'bpm'  145.8
                                    'search_title'  'door':4 'knock':1 'my':3 'on':2
                                   'search_artist'  'primates':2 'the':1
                                  'search_release'  'animal':4 'in':5 'me':6 'no029':2 'tape':1 'the':3
                                     'search_rest'  '1965':6,7 'blogspot':2 'com':3 'garage':10,12 'garagetapes':1,15 'garagetapesblogspotcom':4 'gr':9 'gt029':5 'pl':14 'rock':8 'set':11,13
                                    'search_combo'  '1965':18,19 'animal':10C 'blogspot':14 'com':15 'door':4A 'garage':22,24 'garagetapes':13,27 'garagetapesblogspotcom':16 'gr':21 'gt029':17 'in':11C 'knock':1A 'me':12C 'my':3A 'no029':8C 'on':2A 'pl':26 'primates':6B 'rock':20 'set':23,25 'tape':7C 'the':5B,9C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  3A
                                           '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-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['garage revival', 'garage punk', 'spotify', 'yellow balloon cover', 'rat food radio']
                                        'tag_date'  1965
                                     'discogstags'  ['garage rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620382950.5523076  (2021-05-07 12:22:30)
                             'size'  3551674