======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '57'
                                          'artist'  'The Sounds of Jay Ward Productions'
                                     'text_people'  ''
                                         'release'  'Jay Ward Production Music'
                                           'title'  'Unknown 4'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '36'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'soundtrack-library'
                                             'bpm'  '145.895'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Jay Ward Production Music'
'TBPM' (BPM (beats per minute))                     '145.895'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-library'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Unknown 4'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Production Music'
'TPE2' (Band/orchestra/accompaniment)               'The Sounds of Jay Ward Productions'
'TRCK' (Track number/Position in set)               '36'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.06 dB'
'TXXX:replaygain_track_peak'                        '0.496228'

========================== row from database ==========================
                                              'id'  765588
                                            'path'  /data/Music/Bulk/0soundtrack/Jay Ward Production Music (George Steiner and Frank Comstock)/36 Unknown 12.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  57
                                           'genre'  soundtrack-library
                                        'filesize'  927828
                                           'mtime'  1636911628
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack (George Steiner and Frank Comstock) 36 12 soundtrack library
                                      'tag_artist'  The Sounds of Jay Ward Productions
                                     'tag_release'  Jay Ward Production Music
                                       'tag_title'  Unknown 4
                                             'bpm'  145.895
                                    'search_title'  '4':2 'unknown':1
                                   'search_artist'  'jay':4 'of':3 'productions':6 'sounds':2 'the':1 'ward':5
                                  'search_release'  'jay':1 'music':4 'production':3 'ward':2
                                     'search_rest'  '0soundtrack':1 '36':9 'and':5 'comstock':7,8 'frank':6 'george':2,3 'library':11 'soundtrack':10 'steiner':4
                                    'search_combo'  '0soundtrack':13 '36':21 '4':2A 'and':17 'comstock':19,20 'frank':18 'george':14,15 'jay':6B,9C 'library':23 'music':12C 'of':5B 'production':11C 'productions':8B 'sounds':4B 'soundtrack':22 'steiner':16 'the':3B 'unknown':1A 'ward':7B,10C
                                    'tag_tracknum'  36
                                      'num_images'  0
                                             'key'  6A
                                           '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-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636911627.8503222  (2021-11-14 18:40:27)
                             'size'  927828