======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '161'
                                          'artist'  'Johnny & Joe'
                                     'text_people'  ''
                                         'release'  "Tape No215 - Who'll Be The One"
                                           'title'  'Magic Lamp'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'Q-PLAY-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-3', 'q-other-3', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', '50s', 'doo wop', 'vocal', '60s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '128.0'
                                             'key'  '4A'
                                        '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 No215 - Who'll Be The One"
'TBPM' (BPM (beats per minute))                     '128.0'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         'Magic Lamp'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnny & Joe'
'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-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:country'                                      'US'
'TXXX:lastfmtags'                                   ['oldies', '50s', 'doo wop', 'vocal', '60s']
'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-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+18.19 dB'
'TXXX:replaygain_track_peak'                        '0.075182'
'TXXX:tracknum'                                     '10'

========================== row from database ==========================
                                              'id'  505292
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT215/10 - Johnny & Joe - Magic Lamp (1967 US) (Wright Sound).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  161
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3924725
                                           'mtime'  1620385332
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT215 10 (1967 US) (Wright Sound) rock gr garage;set pl garagetapes
                                      'tag_artist'  Johnny & Joe
                                     'tag_release'  Tape No215 - Who'll Be The One
                                       'tag_title'  Magic Lamp
                                             'bpm'  128.0
                                    'search_title'  'lamp':2 'magic':1
                                   'search_artist'  'joe':2 'johnny':1
                                  'search_release'  'be':6 'll':4 'no215':2 'one':8 'tape':1 'the':7 'who':3 'wholl':5
                                     'search_rest'  '1967':6,7 'blogspot':2 'com':3 'garage':16,18 'garagetapes':1,21 'garagetapesblogspotcom':4 'gr':15 'gt215':5 'pl':20 'rock':14 'set':17,19 'sound':12,13 'us':8,9 'wright':10,11
                                    'search_combo'  '1967':18,19 'be':10C 'blogspot':14 'com':15 'garage':28,30 'garagetapes':13,33 'garagetapesblogspotcom':16 'gr':27 'gt215':17 'joe':4B 'johnny':3B 'lamp':2A 'll':8C 'magic':1A 'no215':6C 'one':12C 'pl':32 'rock':26 'set':29,31 'sound':24,25 'tape':5C 'the':11C 'us':20,21 'who':7C 'wholl':9C 'wright':22,23
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', '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-PLAY-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['oldies', '50s', 'doo wop', 'vocal', '60s']
                                        'tag_date'  1967
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385332.0089302  (2021-05-07 13:02:12)
                             'size'  3924725