======================== unified (from filesystem) ========================
                                         'bitrate'  '24.0'
                                        'duration'  '24'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  'tita tovenaar tv'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-4', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-1', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'soundtrack-video-series'
                                             'bpm'  '98.120'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '98.120'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-series'
'TIT2' (Title/songname/content description)         'tita tovenaar tv'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TXXX:Mp3gain_minmax'                               '092,184'
'TXXX:Mp3gain_undo'                                 '+004,+004,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.15 dB'
'TXXX:replaygain_track_peak'                        '0.397413'

========================== row from database ==========================
                                              'id'  796069
                                            'path'  /data/Music/Bulk/0soundtrack/TV tunes/tita tovenaar tv.mp3
                                         'working'  None
                                         'bitrate'  24
                                    'duration_sec'  24
                                           'genre'  soundtrack-video-series
                                        'filesize'  76450
                                           'mtime'  1621627402
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack TV tunes soundtrack video series
                                      'tag_artist'  [unknown]
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  tita tovenaar tv
                                             'bpm'  98.12
                                    'search_title'  'tita':1 'tovenaar':2 'tv':3
                                   'search_artist'  'unknown':1,2
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '0soundtrack':1 'series':6 'soundtrack':4 'tunes':3 'tv':2 'video':5
                                    'search_combo'  '0soundtrack':11 'album':7C 'non':6C 'nonalbum':8C 'series':16 'soundtrack':14 'tita':1A 'tovenaar':2A 'tracks':9C,10C 'tunes':13 'tv':3A,12 'unknown':4B,5B 'video':15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-1', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627402.0156472  (2021-05-21 22:03:22)
                             'size'  76450