======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '189'
                                          'artist'  'Flayers'
                                     'text_people'  ''
                                         'release'  'Tape No157 - I Feel Teardrops (Moody Tunes - Part III)'
                                           'title'  'Η Νύχτα (The Night)'
                                           '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-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['all']"
                                     'discogstags'  "['beat', 'surf', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '136.2'
                                             'key'  '10A'
                                        '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 No157 - I Feel Teardrops (Moody Tunes - Part III)'
'TBPM' (BPM (beats per minute))                     '136.2'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Η Νύχτα (The Night)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Flayers'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10'
'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'                                      'GR'
'TXXX:discogstags'                                  ['beat', 'surf', 'rock']
'TXXX:lastfmtags'                                   'all'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+25.02 dB'
'TXXX:replaygain_track_peak'                        '0.018600'
'TXXX:tracknum'                                     '10'

========================== row from database ==========================
                                              'id'  502666
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT157/10 - Flayers - Η Νύχτα (The Night) (196 GR).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  189
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4633418
                                           'mtime'  1620384846
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT157 10 (196 GR) rock gr garage;set pl garagetapes
                                      'tag_artist'  Flayers
                                     'tag_release'  Tape No157 - I Feel Teardrops (Moody Tunes - Part III)
                                       'tag_title'  Η Νύχτα (The Night)
                                             'bpm'  136.2
                                    'search_title'  'i':2 'night':7,8 'nuchta':4 'the':5,6 'η':1 'νυχτα':3
                                   'search_artist'  'flayers':1
                                  'search_release'  'feel':4 'i':3 'iii':10,11 'moody':6,7 'no157':2 'part':9 'tape':1 'teardrops':5 'tunes':8
                                     'search_rest'  '196':6,7 'blogspot':2 'com':3 'garage':11,13 'garagetapes':1,16 'garagetapesblogspotcom':4 'gr':8,9 'gt157':5 'pl':15 'rock':10 'set':12,14
                                    'search_combo'  '196':26,27 'blogspot':22 'com':23 'feel':13C 'flayers':9B 'garage':31,33 'garagetapes':21,36 'garagetapesblogspotcom':24 'gr':28,29 'gt157':25 'i':2A,12C 'iii':19C,20C 'moody':15C,16C 'night':7A,8A 'no157':11C 'nuchta':4A 'part':18C 'pl':35 'rock':30 'set':32,34 'tape':10C 'teardrops':14C 'the':5A,6A 'tunes':17C 'η':1A 'νυχτα':3A
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  10A
                                           '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-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['all']
                                        'tag_date'  1965
                                     'discogstags'  ['beat', 'surf', 'rock']

============================== file details ==============================
                                           'mtime'  1620384846.4132495  (2021-05-07 12:54:06)
                             'size'  4633418