======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '299'
                                          'artist'  'Anthony Perry'
                                     'text_people'  'Delia Derbyshire'
                                         'release'  ''
                                           'title'  "Doctor Who - Slow 'n' Sleazy"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-syn-3', 'q-bass-4', 'q-busy-2', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-2', 'q-chart-2', 'q-drums-4', 'q-other-3', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['downtempo', 'electro']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'soundtrack-video-series'
                                             'bpm'  '129.481'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '129.481'
'TCOM' (Composer)                                   'Ron Grainer'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-series'
'TIT2' (Title/songname/content description)         "Doctor Who - Slow 'n' Sleazy"
'TKEY' (Initial key)                                '9A'
'TOPE' (Original artist(s)/performer(s))            'Delia Derbyshire'
'TPE1' (Lead performer(s)/Soloist(s))               'Anthony Perry'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['downtempo', 'electro']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.87 dB'
'TXXX:replaygain_track_peak'                        '0.576785'

========================== row from database ==========================
                                              'id'  979747
                                            'path'  /data/Music/Bulk/0soundtrack/Dr Who - Collection/Dr Who - Slow N Sleazy Remix - By Anthony Perry.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  299
                                           'genre'  soundtrack-video-series
                                        'filesize'  4794368
                                           'mtime'  1636921538
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Dr Collection Dr N Remix By soundtrack video series
                                      'tag_artist'  Anthony Perry
                                     'tag_release'  None
                                       'tag_title'  Doctor Who - Slow 'n' Sleazy
                                             'bpm'  129.481
                                    'search_title'  'doctor':1 'n':4,5 'sleazy':6 'slow':3 'who':2
                                   'search_artist'  'anthony':1 'perry':2
                                  'search_release'  
                                     'search_rest'  '0soundtrack':1 'by':6 'collection':3 'dr':2 'n':4 'remix':5 'series':9 'soundtrack':7 'video':8
                                    'search_combo'  '0soundtrack':9 'anthony':7B 'by':14 'collection':11 'doctor':1A 'dr':10 'n':4A,5A,12 'perry':8B 'remix':13 'series':17 'sleazy':6A 'slow':3A 'soundtrack':15 'video':16 'who':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', '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-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['downtempo', 'electro']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636921537.9638999  (2021-11-14 21:25:37)
                             'size'  4794368