======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '347'
                                          'artist'  'Somewhere off Jazz Street'
                                     'text_people'  ''
                                         'release'  'Whispers of Empty Spaces'
                                           'title'  'The Bell Tolls'
                                           'quals'  ("['Q-JZFKS-2', 'Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'Q-PLAY-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['modern jazz', 'dark jazz', 'jazz', 'contemporary jazz', 'chillout']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-ambient-dark'
                                             'bpm'  '124.7'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Whispers of Empty Spaces'
'TBPM' (BPM (beats per minute))                     '124.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient-dark'
'TDRC' (Recording time)                             '2010'
'TENC' (Encoded by)                                 'Free Mp3 Wma Converter'
'TIT2' (Title/songname/content description)         'The Bell Tolls'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Somewhere off Jazz Street'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['modern jazz', 'dark jazz', 'jazz', 'contemporary jazz', 'chillout']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.54 dB'
'TXXX:replaygain_track_peak'                        '0.655868'

========================== row from database ==========================
                                              'id'  1375535
                                            'path'  /data/Music/Bulk/00poprockelectronic/00ambient/Somewhere off Jazz Street - 2010 - Whispers of Empty Spaces/03. The Bell Tolls.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  347
                                           'genre'  electronic-ambient-dark
                                        'filesize'  13911703
                                           'mtime'  1639508636
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00ambient 2010 03. electronic ambient dark
                                      'tag_artist'  Somewhere off Jazz Street
                                     'tag_release'  Whispers of Empty Spaces
                                       'tag_title'  The Bell Tolls
                                             'bpm'  124.7
                                    'search_title'  'bell':2 'the':1 'tolls':3
                                   'search_artist'  'jazz':3 'off':2 'somewhere':1 'street':4
                                  'search_release'  'empty':3 'of':2 'spaces':4 'whispers':1
                                     'search_rest'  '00ambient':2 '00poprockelectronic':1 '03':4,5 '2010':3 'ambient':7 'dark':8 'electronic':6
                                    'search_combo'  '00ambient':13 '00poprockelectronic':12 '03':15,16 '2010':14 'ambient':18 'bell':2A 'dark':19 'electronic':17 'empty':10C 'jazz':6B 'of':9C 'off':5B 'somewhere':4B 'spaces':11C 'street':7B 'the':1A 'tolls':3A 'whispers':8C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['modern jazz', 'dark jazz', 'jazz', 'contemporary jazz', 'chillout']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1639508636.048986  (2021-12-14 20:03:56)
                             'size'  13911703