======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '72'
                                          'artist'  'Hollywood Persuaders'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  'Drums a Go-Go'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'q-syn-2', 'q-bass-2', 'q-busy-2', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-2', 'q-chart-3', 'q-drums-4', 'q-other-3', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['rock', '60s', '60s rock', 'natural born killers', 'soundtrack']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '92.013'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '92.013'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Drums a Go-Go'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Hollywood Persuaders'
'TSOP' (Performer sort order)                       'Hollywood Persuaders, The'
'TXXX:Artists'                                      'Hollywood Persuaders'
'TXXX:MP3GAIN_MINMAX'                               '000,196'
'TXXX:MP3GAIN_UNDO'                                 '+005,+005,N'
'TXXX:MusicBrainz Artist Id'                        'd923a8be-a4d8-4c14-9755-86943d909e54'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock', '60s', '60s rock', 'natural born killers', 'soundtrack']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.48 dB'
'TXXX:replaygain_track_peak'                        '0.495073'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'872be9c1-9130-489c-b904-9ecb8befb923')

========================== row from database ==========================
                                              'id'  790773
                                            'path'  /data/Music/Bulk/0soundtrack/Natural Born Killers/17 hollywood persuaders - drums a go-go.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  72
                                           'genre'  soundtrack-video
                                        'filesize'  1166492
                                           'mtime'  1620333749
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Natural Born Killers 17 hollywood persuaders drums go go soundtrack video
                                      'tag_artist'  Hollywood Persuaders
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  Drums a Go-Go
                                             'bpm'  92.013
                                    'search_title'  'a':2 'drums':1 'go':3,4 'gogo':5
                                   'search_artist'  'hollywood':1 'persuaders':2
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '0soundtrack':1 'born':3 'drums':7 'go':8 'hollywood':5 'killers':4 'natural':2 'persuaders':6 'soundtrack':9 'video':10
                                    'search_combo'  '0soundtrack':13 'a':2A 'album':9C 'born':15 'drums':1A,19 'go':3A,4A,20 'gogo':5A 'hollywood':6B,17 'killers':16 'natural':14 'non':8C 'nonalbum':10C 'persuaders':7B,18 'soundtrack':21 'tracks':11C,12C 'video':22
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['rock', '60s', '60s rock', 'natural born killers', 'soundtrack']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620333748.5703795  (2021-05-06 22:42:28)
                             'size'  1166492