======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '240'
                                          'artist'  'Jeffrey Osborne'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'The Borderlines (single version)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['soul', 'rnb', '80s', 'r&b', 'urban']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '133.579'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '133.579'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'The Borderlines (single version)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jeffrey Osborne'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soul', 'rnb', '80s', 'r&b', 'urban']
'TXXX:other'                                        'A'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.39 dB'
'TXXX:replaygain_track_peak'                        '0.450191'

========================== row from database ==========================
                                              'id'  1323433
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/013-A Jeffrey Osborne - The Borderlines (single version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  240
                                           'genre'  electronic-unsorted
                                        'filesize'  9610135
                                           'mtime'  1620565386
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 013 A electronic unsorted
                                      'tag_artist'  Jeffrey Osborne
                                     'tag_release'  None
                                       'tag_title'  The Borderlines (single version)
                                             'bpm'  133.579
                                    'search_title'  'borderlines':2 'single':3,4 'the':1 'version':5,6
                                   'search_artist'  'jeffrey':1 'osborne':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '1985':2 'a':4 'complete':3 'electronic':5 'unsorted':6
                                    'search_combo'  '00poprockelectronic':9 '1985':10 'a':12 'borderlines':2A 'complete':11 'electronic':13 'jeffrey':7B 'osborne':8B 'single':3A,4A 'the':1A 'unsorted':14 'version':5A,6A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'rnb', '80s', 'r&b', 'urban']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620565386.450306  (2021-05-09 15:03:06)
                             'size'  9610135