======================== unified (from filesystem) ========================
                                         'bitrate'  '249.01'
                                        'duration'  '181'
                                          'artist'  'Elmer Bernstein'
                                     'text_people'  ''
                                         'release'  'Ghostbusters: Original Soundtr'
                                           'title'  'Main Title Theme (Ghostbusters'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', 'Q-PIANO-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'classical', 'soundtrack', 'score', 'composer']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '85.166'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ghostbusters: Original Soundtr'
'TBPM' (BPM (beats per minute))                     '85.166'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TIT2' (Title/songname/content description)         'Main Title Theme (Ghostbusters'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Elmer Bernstein'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'classical', 'soundtrack', 'score', 'composer']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.28 dB'
'TXXX:replaygain_track_peak'                        '0.827217'

========================== row from database ==========================
                                              'id'  258194
                                            'path'  /data/Music/Bulk/0soundtrack/Ghostbusters/08 - Main Title Theme from Ghostbusters.mp3
                                         'working'  None
                                         'bitrate'  249
                                    'duration_sec'  181
                                           'genre'  soundtrack-video
                                        'filesize'  5639502
                                           'mtime'  1620333528
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack 08 from soundtrack video
                                      'tag_artist'  Elmer Bernstein
                                     'tag_release'  Ghostbusters: Original Soundtr
                                       'tag_title'  Main Title Theme (Ghostbusters
                                             'bpm'  85.166
                                    'search_title'  'ghostbusters':4,5 'main':1 'theme':3 'title':2
                                   'search_artist'  'bernstein':2 'elmer':1
                                  'search_release'  'ghostbusters':1,2 'original':3 'soundtr':4
                                     'search_rest'  '0soundtrack':1 'from':2 'soundtrack':3 'video':4
                                    'search_combo'  '0soundtrack':12 'bernstein':7B 'elmer':6B 'from':13 'ghostbusters':4A,5A,8C,9C 'main':1A 'original':10C 'soundtr':11C 'soundtrack':14 'theme':3A 'title':2A 'video':15
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'classical', 'soundtrack', 'score', 'composer']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620333528.2179692  (2021-05-06 22:38:48)
                             'size'  5639502