======================== unified (from filesystem) ========================
                                         'bitrate'  '64.272'
                                        'duration'  '116'
                                          'artist'  'Northern Kittens'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Charlie's Angels"
                                           'quals'  ("['Q-HAP-3', 'Q-SYN-2', 'Q-UNU-3', 'Q-BUSY-2', 'Q-GRIT-1', 'Q-PLAY-3', "
 "'q-bass-4', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-drums-2', 'q-other-3', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-2', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '113.6'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '113.6'
'TIT2' (Title/songname/content description)         "Charlie's Angels"
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Northern Kittens'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '3'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.27 dB'
'TXXX:replaygain_track_peak'                        '0.385818'

========================== row from database ==========================
                                              'id'  1537093
                                            'path'  /data/Music/Bulk/Unsorted/Northern Kittens-E1LFIzTubkw.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  116
                                           'genre'  
                                        'filesize'  936723
                                           'mtime'  1674606711
                                   'redo_metaread'  0
                                        'rest_str'   Unsorted E1LFIzTubkw
                                      'tag_artist'  Northern Kittens
                                     'tag_release'  None
                                       'tag_title'  Charlie's Angels
                                             'bpm'  113.6
                                    'search_title'  'angels':4 'charlie':1 'charlies':3 's':2
                                   'search_artist'  'kittens':2 'northern':1
                                  'search_release'  
                                     'search_rest'  'e1lfiz':3 'e1lfiztubkw':2 'tubkw':4 'unsorted':1
                                    'search_combo'  'angels':4A 'charlie':1A 'charlies':3A 'e1lfiz':9 'e1lfiztubkw':8 'kittens':6B 'northern':5B 's':2A 'tubkw':10 'unsorted':7
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HAP-3', 'Q-SYN-2', 'Q-UNU-3', 'Q-BUSY-2', 'Q-GRIT-1', 'Q-PLAY-3', 'q-bass-4', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-2', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1674606710.603538  (2023-01-25 01:31:50)
                             'size'  936723