======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '229'
                                          'artist'  'Dave Grusin'
                                     'text_people'  ''
                                         'release'  '60s - 70s Poppy Vocal Stuff'
                                           'title'  'California Montage'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'Q-PLAY-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'Q-PIANO-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['jazz', 'smooth jazz', 'piano', 'fusion', 'instrumental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'prerock-jb'
                                             'bpm'  '119.758'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     '60s - 70s Poppy Vocal Stuff'
'TBPM' (BPM (beats per minute))                     '119.758'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb'
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'California Montage'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Dave Grusin'
'TPE2' (Band/orchestra/accompaniment)               'Dave Grusin'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'smooth jazz', 'piano', 'fusion', 'instrumental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.15 dB'
'TXXX:replaygain_track_peak'                        '0.504413'

========================== row from database ==========================
                                              'id'  1350426
                                            'path'  /data/Music/Bulk/00poprockelectronic/60s Pop/04 Dave Grusin - California Montage .mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  229
                                           'genre'  prerock-jb
                                        'filesize'  5510279
                                           'mtime'  1630249709
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 04 prerock jb
                                      'tag_artist'  Dave Grusin
                                     'tag_release'  60s - 70s Poppy Vocal Stuff
                                       'tag_title'  California Montage
                                             'bpm'  119.758
                                    'search_title'  'california':1 'montage':2
                                   'search_artist'  'dave':1 'grusin':2
                                  'search_release'  '60s':1 '70s':2 'poppy':3 'stuff':5 'vocal':4
                                     'search_rest'  '00poprockelectronic':1 'jb':3 'prerock':2
                                    'search_combo'  '00poprockelectronic':10 '60s':5C '70s':6C 'california':1A 'dave':3B 'grusin':4B 'jb':12 'montage':2A 'poppy':7C 'prerock':11 'stuff':9C 'vocal':8C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'smooth jazz', 'piano', 'fusion', 'instrumental']
                                        'tag_date'  1969
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1630249709.333501  (2021-08-29 17:08:29)
                             'size'  5510279