======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '167'
                                          'artist'  "Los dug dug's"
                                     'text_people'  ''
                                         'release'  "Tape No266 - california dreamin'"
                                           'title'  'Suenos de california'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'q-bass-4', 'Q-JZFKS-1', 'Q-OLDST-2', 'q-drums-2', "
 "'q-other-2', 'q-piano-1', 'q-vocals-3', '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'  "['psychedelic rock', 'psychedelic', 'mexico', 'garage rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '107.0'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '196 mx'
'TALB' (Album/Movie/Show title)                     "Tape No266 - california dreamin'"
'TBPM' (BPM (beats per minute))                     '107.0'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Suenos de california'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               "Los dug dug's"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12'
'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'                                   ['psychedelic rock', 'psychedelic', 'mexico', 'garage rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+5.64 dB'
'TXXX:replaygain_track_peak'                        '0.180563'

========================== row from database ==========================
                                              'id'  1526585
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/VVAA - GarageTapes 266. California dreamin_/12. los dug dug_s - suenos de california.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  167
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4113257
                                           'mtime'  1620385603
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com VVAA GarageTapes 266. California dreamin_ 12. los dug_s suenos rock gr garage;set pl garagetapes
                                      'tag_artist'  Los dug dug's
                                     'tag_release'  Tape No266 - california dreamin'
                                       'tag_title'  Suenos de california
                                             'bpm'  107.0
                                    'search_title'  'california':3 'de':2 'suenos':1
                                   'search_artist'  'dug':2,3 'dugs':5 'los':1 's':4
                                  'search_release'  'california':3 'dreamin':4,5 'no266':2 'tape':1
                                     'search_rest'  '12':11,12 '266':7,8 'blogspot':2 'california':9 'com':3 'dreamin':10 'dug':14 'garage':19,21,24 'garagetapes':1,6 'garagetapesblogspotcom':4 'gr':18 'los':13 'pl':23 'rock':17 's':15 'set':20,22 'suenos':16 'tapes':25 'vvaa':5
                                    'search_combo'  '12':24,25 '266':20,21 'blogspot':15 'california':3A,11C,22 'com':16 'de':2A 'dreamin':12C,13C,23 'dug':5B,6B,27 'dugs':8B 'garage':32,34,37 'garagetapes':14,19 'garagetapesblogspotcom':17 'gr':31 'los':4B,26 'no266':10C 'pl':36 'rock':30 's':7B,28 'set':33,35 'suenos':1A,29 'tape':9C 'tapes':38 'vvaa':18
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'Q-SYN-1', 'q-other-2', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['psychedelic rock', 'psychedelic', 'mexico', 'garage rock', 'rock']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385603.0403159  (2021-05-07 13:06:43)
                             'size'  4113257