======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '38'
                                          'artist'  'Tub Ring'
                                     'text_people'  ''
                                         'release'  'The Great Filter'
                                           'title'  'Requiem for a Robot'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'punk', 'metal', 'rock', 'alternative', 'experimental']"
                                     'discogstags'  ("['electronic', 'jazz', 'rock', 'funk / soul', 'blues', 'classical', 'prog "
 "rock', 'abstract', 'avantgarde', 'disco', 'electro', 'experimental']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '141.512'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

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'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')
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'PRIV:WM/WMCollectionID:²@ûÜ\x9ck¸B\x84\x05~í;\x1a©['  PRIV(owner='WM/WMCollectionID', data=b'\xb2@\xfb\xdc\x9ck\xb8B\x84\x05~\xed;\x1a\xa9[')
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'TALB' (Album/Movie/Show title)                     'The Great Filter'
'TBPM' (BPM (beats per minute))                     '141.512'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Requiem for a Robot'
'TKEY' (Initial key)                                '9B'
'TLEN' (Length)                                     '38746'
'TPE1' (Lead performer(s)/Soloist(s))               'Tub Ring'
'TPE2' (Band/orchestra/accompaniment)               'Tub Ring'
'TPUB' (Publisher)                                  'The End'
'TRCK' (Track number/Position in set)               '8'
'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',
 'jazz',
 'rock',
 'funk / soul',
 'blues',
 'classical',
 'prog rock',
 'abstract',
 'avantgarde',
 'disco',
 'electro',
 'experimental']
'TXXX:lastfmtags'                                   ['alternative rock', 'punk', 'metal', 'rock', 'alternative', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.65 dB'
'TXXX:replaygain_track_peak'                        '0.638149'

========================== row from database ==========================
                                              'id'  1421603
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Tub Ring/Tub Ring The Great Filter 08 Requiem for a Robot.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  38
                                           'genre'  rock-gr-punk
                                        'filesize'  1241822
                                           'mtime'  1622659221
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner 08 rock gr punk
                                      'tag_artist'  Tub Ring
                                     'tag_release'  The Great Filter
                                       'tag_title'  Requiem for a Robot
                                             'bpm'  141.512
                                    'search_title'  'a':3 'for':2 'requiem':1 'robot':4
                                   'search_artist'  'ring':2 'tub':1
                                  'search_release'  'filter':3 'great':2 'the':1
                                     'search_rest'  'garage':2 'gr':6 'punk':1 'rock':5 'stoner':4 'surf':3
                                    'search_combo'  'a':3A 'filter':9C 'for':2A 'garage':11 'gr':15 'great':8C 'punk':10 'requiem':1A 'ring':6B 'robot':4A 'rock':14 'stoner':13 'surf':12 'the':7C 'tub':5B
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['alternative rock', 'punk', 'metal', 'rock', 'alternative', 'experimental']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic', 'jazz', 'rock', 'funk / soul', 'blues', 'classical', 'prog rock', 'abstract', 'avantgarde', 'disco', 'electro', 'experimental']

============================== file details ==============================
                                           'mtime'  1622659221.2895584  (2021-06-02 20:40:21)
                             'size'  1241822