======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '290'
                                          'artist'  'Bruce Haack'
                                     'text_people'  ''
                                         'release'  'Captain Entropy'
                                           'title'  'Army Ants In Your Pants'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'space age pop', 'electronic', 'psychedelic', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '9'
                                            'date'  '1974'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '122.6'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:WM/WMCollectionID:|ý\x8d\x06\x8cHEN\x91\x1e\x18wåÃÑ«'  PRIV(owner='WM/WMCollectionID', data=b'|\xfd\x8d\x06\x8cHEN\x91\x1e\x18w\xe5\xc3\xd1\xab')
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'TALB' (Album/Movie/Show title)                     'Captain Entropy'
'TBPM' (BPM (beats per minute))                     '122.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '1974'
'TIT2' (Title/songname/content description)         'Army Ants In Your Pants'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '290293'
'TPE1' (Lead performer(s)/Soloist(s))               'Bruce Haack'
'TPE2' (Band/orchestra/accompaniment)               'Bruce Haack'
'TPUB' (Publisher)                                  'セブンシーズ'
'TRCK' (Track number/Position in set)               '2/9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'space age pop', 'electronic', 'psychedelic', 'experimental']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.16 dB'
'TXXX:replaygain_track_peak'                        '0.469223'

========================== row from database ==========================
                                              'id'  918774
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Bruce Haack/1973 - Bruce Haack - Captain Entropy (Dimension 5) [192k]/02 - army ants in your pants.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  290
                                           'genre'  electronic-experimental
                                        'filesize'  6971392
                                           'mtime'  1622801510
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1973 (Dimension 5) [192k] 02 army your pants electronic experimental
                                      'tag_artist'  Bruce Haack
                                     'tag_release'  Captain Entropy
                                       'tag_title'  Army Ants In Your Pants
                                             'bpm'  122.6
                                    'search_title'  'ants':2 'army':1 'in':3 'pants':5 'your':4
                                   'search_artist'  'bruce':1 'haack':2
                                  'search_release'  'captain':1 'entropy':2
                                     'search_rest'  '192k':6,7 '1973':1 '5':4,5 'army':8 'dimension':2,3 'electronic':11 'experimental':12 'pants':10 'your':9
                                    'search_combo'  '192k':15,16 '1973':10 '5':13,14 'ants':2A 'army':1A,17 'bruce':6B 'captain':8C 'dimension':11,12 'electronic':20 'entropy':9C 'experimental':21 'haack':7B 'in':3A 'pants':5A,19 'your':4A,18
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'space age pop', 'electronic', 'psychedelic', 'experimental']
                                        'tag_date'  1974
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1622801509.9504206  (2021-06-04 12:11:49)
                             'size'  6971392