======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '198'
                                          'artist'  'Fountains of Wayne'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Stacey's Mom"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie rock', 'indie', 'pop', 'power pop', 'rock', 'alternative']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '118.290'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel: \x14\x00\x00'                   PRIV(owner='AverageLevel', data=b' \x14\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'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))                     '118.290'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TIT2' (Title/songname/content description)         "Stacey's Mom"
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Fountains of Wayne'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie rock', 'indie', 'pop', 'power pop', 'rock', 'alternative']
'TXXX:q-bass'                                       '2'
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.38 dB'
'TXXX:replaygain_track_peak'                        '0.544544'

========================== row from database ==========================
                                              'id'  1503769
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/fountains of wayne - stacy_s mom.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  198
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  7956110
                                           'mtime'  1637330418
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] fountains wayne stacy_s mom ifs songwriter indie rock
                                      'tag_artist'  Fountains of Wayne
                                     'tag_release'  None
                                       'tag_title'  Stacey's Mom
                                             'bpm'  118.29
                                    'search_title'  'mom':4 's':2 'stacey':1 'staceys':3
                                   'search_artist'  'fountains':1 'of':2 'wayne':3
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'fountains':7 'ifs':12 'indie':14 'loose':3,4 'mom':11 'rock':15 's':10 'songwriter':13 'stacy':9 'unsorted':2 'wayne':8
                                    'search_combo'  '00poprockelectronic':8 'files':12,13 'fountains':5B,14 'ifs':19 'indie':21 'loose':10,11 'mom':4A,18 'of':6B 'rock':22 's':2A,17 'songwriter':20 'stacey':1A 'staceys':3A 'stacy':16 'unsorted':9 'wayne':7B,15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie rock', 'indie', 'pop', 'power pop', 'rock', 'alternative']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330418.2907383  (2021-11-19 15:00:18)
                             'size'  7956110