======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '308'
                                          'artist'  'Midwest Product'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Lethal Cop (Kurt Russell)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'indie', 'idm', 'ghostly', 'electronic', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '96.0'
                                             'key'  '10A'
                                        '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')
'TBPM' (BPM (beats per minute))                     '96.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TIT2' (Title/songname/content description)         'Lethal Cop (Kurt Russell)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Midwest Product'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, Fraunhofer acm, 128 kBit/s, 44,100 Hz, Stereo, HQ = off'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'indie', 'idm', 'ghostly', 'electronic', 'experimental']
'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-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.75 dB'
'TXXX:replaygain_track_peak'                        '0.555931'

========================== row from database ==========================
                                              'id'  343519
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Epitonic/Midwest Product - Lethal Cop (Kurt Russell).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  308
                                           'genre'  electronic-unsorted
                                        'filesize'  4939391
                                           'mtime'  1620537255
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Epitonic electronic unsorted
                                      'tag_artist'  Midwest Product
                                     'tag_release'  None
                                       'tag_title'  Lethal Cop (Kurt Russell)
                                             'bpm'  96.0
                                    'search_title'  'cop':2 'kurt':3,4 'lethal':1 'russell':5,6
                                   'search_artist'  'midwest':1 'product':2
                                  'search_release'  
                                     'search_rest'  'electronic':2 'epitonic':1 'unsorted':3
                                    'search_combo'  'cop':2A 'electronic':10 'epitonic':9 'kurt':3A,4A 'lethal':1A 'midwest':7B 'product':8B 'russell':5A,6A 'unsorted':11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'indie', 'idm', 'ghostly', 'electronic', 'experimental']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620537254.7294075  (2021-05-09 07:14:14)
                             'size'  4939391