======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '146'
                                          'artist'  'Rubber band'
                                     'text_people'  ''
                                         'release'  "Tape No266 - california dreamin'"
                                           'title'  "California dreamin'"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'q-bass-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'q-drums-3', "
 "'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'Q-CHART-1', 'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['pop', 'funk', 'rock n roll', 'garage rock', 'psych']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '127.9'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '1967 us'
'TALB' (Album/Movie/Show title)                     "Tape No266 - california dreamin'"
'TBPM' (BPM (beats per minute))                     '127.9'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         "California dreamin'"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rubber band'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '1'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['pop', 'funk', 'rock n roll', 'garage rock', 'psych']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+6.22 dB'
'TXXX:replaygain_track_peak'                        '0.231342'

========================== row from database ==========================
                                              'id'  1533849
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/VVAA - GarageTapes 266. California dreamin_/11. rubber band - california dreamin_.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  146
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3589763
                                           'mtime'  1620385603
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com VVAA GarageTapes 266. dreamin_ 11. rubber dreamin_ rock gr garage;set pl garagetapes
                                      'tag_artist'  Rubber band
                                     'tag_release'  Tape No266 - california dreamin'
                                       'tag_title'  California dreamin'
                                             'bpm'  127.9
                                    'search_title'  'california':1 'dreamin':2,3
                                   'search_artist'  'band':2 'rubber':1
                                  'search_release'  'california':3 'dreamin':4,5 'no266':2 'tape':1
                                     'search_rest'  '11':10,11 '266':7,8 'blogspot':2 'com':3 'dreamin':9 'garage':15,17,20 'garagetapes':1,6 'garagetapesblogspotcom':4 'gr':14 'pl':19 'rock':13 'rubber':12 'set':16,18 'tapes':21 'vvaa':5
                                    'search_combo'  '11':20,21 '266':17,18 'band':5B 'blogspot':12 'california':1A,8C 'com':13 'dreamin':2A,3A,9C,10C,19 'garage':25,27,30 'garagetapes':11,16 'garagetapesblogspotcom':14 'gr':24 'no266':7C 'pl':29 'rock':23 'rubber':4B,22 'set':26,28 'tape':6C 'tapes':31 'vvaa':15
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-1', 'q-drums-3', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-3']
                                      'lastfmtags'  ['pop', 'funk', 'rock n roll', 'garage rock', 'psych']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385602.9403088  (2021-05-07 13:06:42)
                             'size'  3589763