======================== unified (from filesystem) ========================
                                         'bitrate'  '160.861'
                                        'duration'  '240'
                                          'artist'  'Sarah Vaughan'
                                     'text_people'  ''
                                         'release'  'Crazy And Mixed Up'
                                           'title'  "That's All"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'Q-PIANO-3', 'q-chart-3', 'q-drums-2', 'q-other-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['vocal jazz', 'jazz vocal', 'jazz', 'female vocalists', 'blues']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '8'
                                            'date'  '1982'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-vocal'
                                             'bpm'  '101.768'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '5707DE08'
'COMM:ID3v1 Comment:XXX'                            '5707DE08'
'TALB' (Album/Movie/Show title)                     'Crazy And Mixed Up'
'TBPM' (BPM (beats per minute))                     '101.768'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-vocal'
'TDRC' (Recording time)                             '1982'
'TIT2' (Title/songname/content description)         "That's All"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sarah Vaughan'
'TRCK' (Track number/Position in set)               '2/8'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, VBR 3, 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-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['vocal jazz', 'jazz vocal', 'jazz', 'female vocalists', 'blues']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.16 dB'
'TXXX:replaygain_track_peak'                        '0.957300'

========================== row from database ==========================
                                              'id'  1499286
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Vaughan, Sarah/Crazy And Mixed Up/Sarah Vaughan - That_s all - 02.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  240
                                           'genre'  prerock-jb-jazz-vocal
                                        'filesize'  4834343
                                           'mtime'  1620537111
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Vaughan, That_s all 02 prerock jb jazz vocal
                                      'tag_artist'  Sarah Vaughan
                                     'tag_release'  Crazy And Mixed Up
                                       'tag_title'  That's All
                                             'bpm'  101.768
                                    'search_title'  'all':4 's':2 'that':1 'thats':3
                                   'search_artist'  'sarah':1 'vaughan':2
                                  'search_release'  'and':2 'crazy':1 'mixed':3 'up':4
                                     'search_rest'  'all':9 'country':4 'exotica':2 'jazz':1 'jb':11 'oldies':3 'prerock':10 's':8 'that':7 'vaughan':5,6 'vocal':12
                                    'search_combo'  'all':4A,19 'and':8C 'country':14 'crazy':7C 'exotica':12 'jazz':11 'jb':21 'mixed':9C 'oldies':13 'prerock':20 's':2A,18 'sarah':5B 'that':1A,17 'thats':3A 'up':10C 'vaughan':6B,15,16 'vocal':22
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['vocal jazz', 'jazz vocal', 'jazz', 'female vocalists', 'blues']
                                        'tag_date'  1982
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620537111.2951808  (2021-05-09 07:11:51)
                             'size'  4834343