======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '190'
                                          'artist'  'The Mystics'
                                     'text_people'  ''
                                         'release'  "Tape No215 - Who'll Be The One"
                                           'title'  'This Is What I Was Made For'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'all', 'doo wop', '50s', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '120.0'
                                             'key'  '9B'
                                        '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))                     '120.0'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         'This Is What I Was Made For'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Mystics'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12'
'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:lastfmtags'                                   ['60s', 'all', 'doo wop', '50s', 'oldies']
'TXXX:q-bass'                                       '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+18.09 dB'
'TXXX:replaygain_track_peak'                        '0.056431'
'TXXX:tracknum'                                     '12'

========================== row from database ==========================
                                              'id'  506117
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT215/12 - The Mystics - This Is What I Was Made For (1966 US) (Ren-Vell).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  190
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4616239
                                           'mtime'  1620385332
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT215 12 (1966 US) (Ren Vell) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Mystics
                                     'tag_release'  Tape No215 - Who'll Be The One
                                       'tag_title'  This Is What I Was Made For
                                             'bpm'  120.0
                                    'search_title'  'for':7 'i':4 'is':2 'made':6 'this':1 'was':5 'what':3
                                   'search_artist'  'mystics':2 'the':1
                                  'search_release'  'be':6 'll':4 'no215':2 'one':8 'tape':1 'the':7 'who':3 'wholl':5
                                     'search_rest'  '1966':6,7 'blogspot':2 'com':3 'garage':16,18 'garagetapes':1,21 'garagetapesblogspotcom':4 'gr':15 'gt215':5 'pl':20 'ren':10,11 'rock':14 'set':17,19 'us':8,9 'vell':12,13
                                    'search_combo'  '1966':23,24 'be':15C 'blogspot':19 'com':20 'for':7A 'garage':33,35 'garagetapes':18,38 'garagetapesblogspotcom':21 'gr':32 'gt215':22 'i':4A 'is':2A 'll':13C 'made':6A 'mystics':9B 'no215':11C 'one':17C 'pl':37 'ren':27,28 'rock':31 'set':34,36 'tape':10C 'the':8B,16C 'this':1A 'us':25,26 'vell':29,30 'was':5A 'what':3A 'who':12C 'wholl':14C
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  9B
                                           '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-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'all', 'doo wop', '50s', 'oldies']
                                        'tag_date'  1966
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385332.181839  (2021-05-07 13:02:12)
                             'size'  4616239