======================== unified (from filesystem) ========================
                                         'bitrate'  '151.331'
                                        'duration'  '130'
                                          'artist'  'Sarah Vaughan'
                                     'text_people'  ''
                                         'release'  'After Hours'
                                           'title'  'If Love Is Good To Me'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['vocal jazz', 'jazz vocal', 'jazz', 'female vocalists', 'blues']"
                                     'discogstags'  "['jazz', 'soul-jazz', 'modal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '11'
                                            'date'  '1961'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-vocal'
                                             'bpm'  '138.987'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '9408300B'
'COMM:ID3v1 Comment:XXX'                            '9408300B'
'TALB' (Album/Movie/Show title)                     'After Hours'
'TBPM' (BPM (beats per minute))                     '138.987'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-vocal'
'TDRC' (Recording time)                             '1961'
'TIT2' (Title/songname/content description)         'If Love Is Good To Me'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sarah Vaughan'
'TRCK' (Track number/Position in set)               '8/11'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, VBR 4, 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', 'soul-jazz', 'modal']
'TXXX:lastfmtags'                                   ['vocal jazz', 'jazz vocal', 'jazz', 'female vocalists', 'blues']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.00 dB'
'TXXX:replaygain_track_peak'                        '0.596788'

========================== row from database ==========================
                                              'id'  774379
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Vaughan, Sarah/After Hours/Sarah Vaughan - If Love is Good to Me - 08.mp3
                                         'working'  None
                                         'bitrate'  151
                                    'duration_sec'  130
                                           'genre'  prerock-jb-jazz-vocal
                                        'filesize'  2462797
                                           'mtime'  1620537105
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Vaughan, is to 08 prerock jb jazz vocal
                                      'tag_artist'  Sarah Vaughan
                                     'tag_release'  After Hours
                                       'tag_title'  If Love Is Good To Me
                                             'bpm'  138.987
                                    'search_title'  'good':4 'if':1 'is':3 'love':2 'me':6 'to':5
                                   'search_artist'  'sarah':1 'vaughan':2
                                  'search_release'  'after':1 'hours':2
                                     'search_rest'  'country':4 'exotica':2 'is':7 'jazz':1 'jb':10 'oldies':3 'prerock':9 'to':8 'vaughan':5,6 'vocal':11
                                    'search_combo'  'after':9C 'country':14 'exotica':12 'good':4A 'hours':10C 'if':1A 'is':3A,17 'jazz':11 'jb':20 'love':2A 'me':6A 'oldies':13 'prerock':19 'sarah':7B 'to':5A,18 'vaughan':8B,15,16 'vocal':21
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['vocal jazz', 'jazz vocal', 'jazz', 'female vocalists', 'blues']
                                        'tag_date'  1961
                                     'discogstags'  ['jazz', 'soul-jazz', 'modal']

============================== file details ==============================
                                           'mtime'  1620537104.5168052  (2021-05-09 07:11:44)
                             'size'  2462797