======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '251'
                                          'artist'  'Sade'
                                     'text_people'  ''
                                         'release'  'Promise'
                                           'title'  'Fear'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['love', 'jazz', 'female vocalists', 'soul']"
                                     'discogstags'  "['jazz', 'funk / soul', 'jazz-funk', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'funk or soul-soul;prerock-jb-jazz-vocal'
                                             'bpm'  '142.708'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Promise'
'TBPM' (BPM (beats per minute))                     '142.708'
'TCMP'                                              '0'
'TCON' (Content type, a.k.a. Genre)                 ['funk or soul-soul', 'prerock-jb-jazz-vocal']
'TDRC' (Recording time)                             '1985'
'TDRL' (Release time)                               '1985-11-16'
'TIT2' (Title/songname/content description)         'Fear'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sade'
'TPE2' (Band/orchestra/accompaniment)               'Sade'
'TRCK' (Track number/Position in set)               '9'
'TSOP' (Performer sort order)                       'Sade'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MP3GAIN_MINMAX'                               '130,184'
'TXXX:MusicBrainz Album Artist'                     'Sade'
'TXXX:MusicBrainz Album Artist Id'                  '67930b3e-e00b-469f-8c74-fd69f20522ec'
'TXXX:MusicBrainz Album Artist Sortname'            'Sade'
'TXXX:MusicBrainz Album Id'                         '61199d8d-98f1-4770-9e63-611c2c47d53e'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '67930b3e-e00b-469f-8c74-fd69f20522ec'
'TXXX:MusicBrainz Non-Album'                        '0'
'TXXX:MusicIP PUID'                                 '943d355a-5917-398a-1d6d-9a325f4409c6'
'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', 'funk / soul', 'jazz-funk', 'soul']
'TXXX:lastfmtags'                                   ['love', 'jazz', 'female vocalists', 'soul']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.48 dB'
'TXXX:replaygain_track_peak'                        '0.729506'

========================== row from database ==========================
                                              'id'  670452
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Sade/Promise/MBZ;#Sade;#Promise;#09;#Fear.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  251
                                           'genre'  funk or soul-soul;prerock-jb-jazz-vocal
                                        'filesize'  6042862
                                           'mtime'  1620534382
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country MBZ;#Sade;#Promise;#09;#Fear funk or soul soul;prerock jb jazz vocal
                                      'tag_artist'  Sade
                                     'tag_release'  Promise
                                       'tag_title'  Fear
                                             'bpm'  142.708
                                    'search_title'  'fear':1
                                   'search_artist'  'sade':1
                                  'search_release'  'promise':1
                                     'search_rest'  '09':8,13 'country':4 'exotica':2 'fear':9,14 'funk':15 'jazz':1 'jb':22 'mbz':5,10 'oldies':3 'or':16 'prerock':19,21 'promise':7,12 'sade':6,11 'soul':17,18,20 'vocal':23
                                    'search_combo'  '09':11,16 'country':7 'exotica':5 'fear':1A,12,17 'funk':18 'jazz':4 'jb':25 'mbz':8,13 'oldies':6 'or':19 'prerock':22,24 'promise':3C,10,15 'sade':2B,9,14 'soul':20,21,23 'vocal':26
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['love', 'jazz', 'female vocalists', 'soul']
                                        'tag_date'  1985
                                     'discogstags'  ['jazz', 'funk / soul', 'jazz-funk', 'soul']

============================== file details ==============================
                                           'mtime'  1620534382.210518  (2021-05-09 06:26:22)
                             'size'  6042862