======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '372'
                                          'artist'  'Argaman'
                                     'text_people'  ''
                                         'release'  'Living In A Bubble - Disc 1'
                                           'title'  'The Jewish Robot'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['psychill', 'psydub', 'dub', 'psybient', 'ambient']"
                                     'discogstags'  "['dark ambient', 'electronic', 'downtempo', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '11'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic-psychill'
                                             'bpm'  '120'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'POPM:no@email'                                     POPM(email='no@email', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Living In A Bubble - Disc 1'
'TBPM' (BPM (beats per minute))                     '120'
'TCON' (Content type, a.k.a. Genre)                 'electronic-psychill'
'TIT1' (Content group description)                  '3'
'TIT2' (Title/songname/content description)         'The Jewish Robot'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Argaman'
'TPOS' (Part of a set)                              '1/2'
'TRCK' (Track number/Position in set)               '5/11'
'TXXX:DATE'                                         '2013'
'TXXX:Dynamic Range (DR)'                           '6'
'TXXX:Dynamic Range (R128)'                         '10.2305898666381836'
'TXXX:Peak Level (R128)'                            '+0.5 dBTP; +0.5 Left; +0.5 Right'
'TXXX:Peak Level (Sample)'                          '+0.0 dB; +0.0 Left; +0.0 Right'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Tool Name'                                    'Media Center'
'TXXX:Tool Version'                                 '19.0.163'
'TXXX:Volume Level (R128)'                          '-13.4186697006225586'
'TXXX:Volume Level (ReplayGain)'                    '-8.4186697006225586'
'TXXX:discogstags'                                  ['dark ambient', 'electronic', 'downtempo', 'experimental', 'ambient']
'TXXX:lastfmtags'                                   ['psychill', 'psydub', 'dub', 'psybient', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.61 dB'
'TXXX:replaygain_track_peak'                        '0.371491'

========================== row from database ==========================
                                              'id'  1310861
                                            'path'  /data/Music/Bulk/00poprockelectronic/Chronos - chillout-dub/Argaman - The Jewish Robot.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  372
                                           'genre'  electronic-psychill
                                        'filesize'  14904810
                                           'mtime'  1636912442
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Chronos chillout dub electronic psychill
                                      'tag_artist'  Argaman
                                     'tag_release'  Living In A Bubble - Disc 1
                                       'tag_title'  The Jewish Robot
                                             'bpm'  120.0
                                    'search_title'  'jewish':2 'robot':3 'the':1
                                   'search_artist'  'argaman':1
                                  'search_release'  '1':6 'a':3 'bubble':4 'disc':5 'in':2 'living':1
                                     'search_rest'  '00poprockelectronic':1 'chillout':3 'chronos':2 'dub':4 'electronic':5 'psychill':6
                                    'search_combo'  '00poprockelectronic':11 '1':10C 'a':7C 'argaman':4B 'bubble':8C 'chillout':13 'chronos':12 'disc':9C 'dub':14 'electronic':15 'in':6C 'jewish':2A 'living':5C 'psychill':16 'robot':3A 'the':1A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['psychill', 'psydub', 'dub', 'psybient', 'ambient']
                                        'tag_date'  2013
                                     'discogstags'  ['dark ambient', 'electronic', 'downtempo', 'experimental', 'ambient']

============================== file details ==============================
                                           'mtime'  1636912441.9362793  (2021-11-14 18:54:01)
                             'size'  14904810