======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '126'
                                          'artist'  'Happiness Is'
                                     'text_people'  ''
                                         'release'  'Tape No247 - Let Her Go (Moody Tunes) Part VIII'
                                           'title'  'It Has No End'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['pop', 'vocal', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '121.6'
                                             'key'  '10B'
                                        '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 No247 - Let Her Go (Moody Tunes) Part VIII'
'TBPM' (BPM (beats per minute))                     '121.6'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'It Has No End'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Happiness Is'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '17'
'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'                                      'US'
'TXXX:discogstags'                                  ['pop', 'vocal', 'easy listening']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '+27.13 dB'
'TXXX:replaygain_track_peak'                        '0.021589'
'TXXX:tracknum'                                     '17'

========================== row from database ==========================
                                              'id'  500224
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT247/17 - Happiness Is - It Has No End (196 US) (Wynwood).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  126
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3109379
                                           'mtime'  1620385507
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT247 17 (196 US) (Wynwood) rock gr garage;set pl garagetapes
                                      'tag_artist'  Happiness Is
                                     'tag_release'  Tape No247 - Let Her Go (Moody Tunes) Part VIII
                                       'tag_title'  It Has No End
                                             'bpm'  121.6
                                    'search_title'  'end':4 'has':2 'it':1 'no':3
                                   'search_artist'  'happiness':1 'is':2
                                  'search_release'  'go':5 'her':4 'let':3 'moody':6,7 'no247':2 'part':10 'tape':1 'tunes':8,9 'viii':11
                                     'search_rest'  '196':6,7 'blogspot':2 'com':3 'garage':14,16 'garagetapes':1,19 'garagetapesblogspotcom':4 'gr':13 'gt247':5 'pl':18 'rock':12 'set':15,17 'us':8,9 'wynwood':10,11
                                    'search_combo'  '196':23,24 'blogspot':19 'com':20 'end':4A 'garage':31,33 'garagetapes':18,36 'garagetapesblogspotcom':21 'go':11C 'gr':30 'gt247':22 'happiness':5B 'has':2A 'her':10C 'is':6B 'it':1A 'let':9C 'moody':12C,13C 'no':3A 'no247':8C 'part':16C 'pl':35 'rock':29 'set':32,34 'tape':7C 'tunes':14C,15C 'us':25,26 'viii':17C 'wynwood':27,28
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  10B
                                           '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-1', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1965
                                     'discogstags'  ['pop', 'vocal', 'easy listening']

============================== file details ==============================
                                           'mtime'  1620385506.7181752  (2021-05-07 13:05:06)
                             'size'  3109379