======================== unified (from filesystem) ========================
                                         'bitrate'  '127.722'
                                        'duration'  '306'
                                          'artist'  'Tales Of The Frightened'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'The Ladder'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-SYN-1', 'Q-BUSY-2', 'Q-GRIT-2', 'Q-PLAY-2', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'Q-MIXBEAT-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'nonmusic-speech-comedy or drama'
                                             'bpm'  '107.9'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '107.9'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech-comedy or drama'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         'The Ladder'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tales Of The Frightened'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.31 dB'
'TXXX:replaygain_track_peak'                        '0.579173'

========================== row from database ==========================
                                              'id'  1483160
                                            'path'  /data/Music/Bulk/00poprockelectronic/Tales of the Frightened/Tales Of The Frightened xx-xx-xx (x) The Ladder.mp3
                                         'working'  None
                                         'bitrate'  127
                                    'duration_sec'  306
                                           'genre'  nonmusic-speech-comedy or drama
                                        'filesize'  4892554
                                           'mtime'  1621853408
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic of the xx xx xx (x) nonmusic speech comedy or drama
                                      'tag_artist'  Tales Of The Frightened
                                     'tag_release'  None
                                       'tag_title'  The Ladder
                                             'bpm'  107.9
                                    'search_title'  'ladder':2 'the':1
                                   'search_artist'  'frightened':4 'of':2 'tales':1 'the':3
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'comedy':9 'drama':11 'nonmusic':7 'of':2 'or':10 'speech':8 'the':3 'x':5,6 'xx':4
                                    'search_combo'  '00poprockelectronic':7 'comedy':15 'drama':17 'frightened':6B 'ladder':2A 'nonmusic':13 'of':4B,8 'or':16 'speech':14 'tales':3B 'the':1A,5B,9 'x':11,12 'xx':10
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-1', 'q-other-1', 'Q-BUSY-2', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  []
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621853408.0792463  (2021-05-24 12:50:08)
                             'size'  4892554