======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '174'
                                          'artist'  'The Cyril Stapleton Orchestra'
                                     'text_people'  ''
                                         'release'  'The Avengers & Other Top Sixties TV Themes - D1'
                                           'title'  'W. Somerset Maugham'
                                           '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-chart-1', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'ultra lounge', 'oldies', '60s', 'romantic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '29'
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '94.857'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Avengers & Other Top Sixties TV Themes - D1'
'TBPM' (BPM (beats per minute))                     '94.857'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'W. Somerset Maugham'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Cyril Stapleton Orchestra'
'TRCK' (Track number/Position in set)               '29'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'ultra lounge', 'oldies', '60s', 'romantic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '+0.89 dB'
'TXXX:replaygain_track_peak'                        '0.492228'

========================== row from database ==========================
                                              'id'  789105
                                            'path'  /data/Music/Bulk/0soundtrack/Sixties TV Themes/29 W. Somerset Maugham.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  174
                                           'genre'  soundtrack-video
                                        'filesize'  4185242
                                           'mtime'  1620334233
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack 29 soundtrack video
                                      'tag_artist'  The Cyril Stapleton Orchestra
                                     'tag_release'  The Avengers & Other Top Sixties TV Themes - D1
                                       'tag_title'  W. Somerset Maugham
                                             'bpm'  94.857
                                    'search_title'  'maugham':4 'somerset':3 'w':1,2
                                   'search_artist'  'cyril':2 'orchestra':4 'stapleton':3 'the':1
                                  'search_release'  'avengers':2 'd1':8 'other':3 'sixties':5 'the':1 'themes':7 'top':4 'tv':6
                                     'search_rest'  '0soundtrack':1 '29':2 'soundtrack':3 'video':4
                                    'search_combo'  '0soundtrack':17 '29':18 'avengers':10C 'cyril':6B 'd1':16C 'maugham':4A 'orchestra':8B 'other':11C 'sixties':13C 'somerset':3A 'soundtrack':19 'stapleton':7B 'the':5B,9C 'themes':15C 'top':12C 'tv':14C 'video':20 'w':1A,2A
                                    'tag_tracknum'  29
                                      '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-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'ultra lounge', 'oldies', '60s', 'romantic']
                                        'tag_date'  1969
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620334233.4325476  (2021-05-06 22:50:33)
                             'size'  4185242