======================== unified (from filesystem) ========================
                                         'bitrate'  '177.65'
                                        'duration'  '188'
                                          'artist'  'George Benson'
                                     'text_people'  ''
                                         'release'  'The Silver Collection'
                                           'title'  "Sack O' Woe"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['guitar', 'smooth jazz', 'jazz', 'soul', 'funk']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '13'
                                            'date'  '1984'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-smooth;funk or soul'
                                             'bpm'  '101.360'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             'DB0EB00D'
'COMM:ID3v1 Comment:XXX'                            'DB0EB00D'
'TALB' (Album/Movie/Show title)                     'The Silver Collection'
'TBPM' (BPM (beats per minute))                     '101.360'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-soft-smooth', 'funk or soul']
'TDRC' (Recording time)                             '1984'
'TIT2' (Title/songname/content description)         "Sack O' Woe"
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'George Benson'
'TRCK' (Track number/Position in set)               '12/13'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, VBR 2, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['guitar', 'smooth jazz', 'jazz', 'soul', 'funk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.90 dB'
'TXXX:replaygain_track_peak'                        '0.585652'

========================== row from database ==========================
                                              'id'  1505659
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Benson, George/The Silver Collection/George Benson - Sack O_ Woe.mp3
                                         'working'  None
                                         'bitrate'  177
                                    'duration_sec'  188
                                           'genre'  prerock-jb-jazz-soft-smooth;funk or soul
                                        'filesize'  4192393
                                           'mtime'  1620528213
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Benson, O_ prerock jb jazz soft smooth;funk soul
                                      'tag_artist'  George Benson
                                     'tag_release'  The Silver Collection
                                       'tag_title'  Sack O' Woe
                                             'bpm'  101.36
                                    'search_title'  'o':2,3 'sack':1 'woe':4
                                   'search_artist'  'benson':2 'george':1
                                  'search_release'  'collection':3 'silver':2 'the':1
                                     'search_rest'  'benson':5,6 'country':4 'exotica':2 'funk':12,14 'jazz':1 'jb':9 'o':7 'oldies':3 'prerock':8 'smooth':11,13 'soft':10 'soul':15
                                    'search_combo'  'benson':6B,14,15 'collection':9C 'country':13 'exotica':11 'funk':21,23 'george':5B 'jazz':10 'jb':18 'o':2A,3A,16 'oldies':12 'prerock':17 'sack':1A 'silver':8C 'smooth':20,22 'soft':19 'soul':24 'the':7C 'woe':4A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-4', 'q-syn-1', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['guitar', 'smooth jazz', 'jazz', 'soul', 'funk']
                                        'tag_date'  1984
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620528213.414663  (2021-05-09 04:43:33)
                             'size'  4192393