======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '202'
                                          'artist'  'Witness Inc.'
                                     'text_people'  ''
                                         'release'  'Tape No144 - Magic Colors (Covers From All Over The Globe)'
                                           'title'  'I Put A Spell On You'
                                           '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-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['garage rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '145.7'
                                             'key'  '6A'
                                        '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 No144 - Magic Colors (Covers From All Over The Globe)'
'TBPM' (BPM (beats per minute))                     '145.7'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'I Put A Spell On You'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Witness Inc.'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '15'
'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'                                      'CA'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   'garage rock'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+25.72 dB'
'TXXX:replaygain_track_peak'                        '0.036630'
'TXXX:tracknum'                                     '15'

========================== row from database ==========================
                                              'id'  499029
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT144/15 - Witness Inc. - I Put A Spell On You (1968 CA).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  202
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4932845
                                           'mtime'  1620384726
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT144 15 (1968 CA) rock gr garage;set pl garagetapes
                                      'tag_artist'  Witness Inc.
                                     'tag_release'  Tape No144 - Magic Colors (Covers From All Over The Globe)
                                       'tag_title'  I Put A Spell On You
                                             'bpm'  145.7
                                    'search_title'  'a':3 'i':1 'on':5 'put':2 'spell':4 'you':6
                                   'search_artist'  'inc':2,3 'witness':1
                                  'search_release'  'all':8 'colors':4 'covers':5,6 'from':7 'globe':11,12 'magic':3 'no144':2 'over':9 'tape':1 'the':10
                                     'search_rest'  '1968':6,7 'blogspot':2 'ca':8,9 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt144':5 'pl':16 'rock':10 'set':13,15
                                    'search_combo'  '1968':27,28 'a':3A 'all':17C 'blogspot':23 'ca':29,30 'colors':13C 'com':24 'covers':14C,15C 'from':16C 'garage':33,35 'garagetapes':22,38 'garagetapesblogspotcom':25 'globe':20C,21C 'gr':32 'gt144':26 'i':1A 'inc':8B,9B 'magic':12C 'no144':11C 'on':5A 'over':18C 'pl':37 'put':2A 'rock':31 'set':34,36 'spell':4A 'tape':10C 'the':19C 'witness':7B 'you':6A
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  6A
                                           '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-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['garage rock']
                                        'tag_date'  1968
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620384726.1249113  (2021-05-07 12:52:06)
                             'size'  4932845