======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '300'
                                          'artist'  'Sade'
                                     'text_people'  ''
                                         'release'  'Diamond Life'
                                           'title'  'Smooth Operator'
                                           '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-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['love', 'jazz', 'female vocalists', 'soul']"
                                     'discogstags'  "['funk / soul', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1984'
                                        'comments'  ''
                                           'genre'  'funk or soul-soul;prerock-jb-jazz-vocal;set-pl-billboard'
                                             'bpm'  '119.900'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     'Diamond Life'
'TBPM' (BPM (beats per minute))                     '119.900'
'TCMP'                                              '0'
'TCON' (Content type, a.k.a. Genre)                 ['funk or soul-soul', 'prerock-jb-jazz-vocal', 'set-pl-billboard']
'TDRC' (Recording time)                             '1984'
'TDRL' (Release time)                               '1984-07-28'
'TIT2' (Title/songname/content description)         'Smooth Operator'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sade'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '1'
'TSOP' (Performer sort order)                       'Sade'
'TXXX:FMPS_Rating'                                  '0.8'
'TXXX:MP3GAIN_MINMAX'                               '133,191'
'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'                         '63bbbb56-b5da-423b-9484-5ae1ad5be2f0'
'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'                                 '7a87dee8-e6e9-5ffc-53d2-6926ce05f2b0'
'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'                                  ['funk / soul', 'soul']
'TXXX:lastfmtags'                                   ['love', 'jazz', 'female vocalists', 'soul']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.11 dB'
'TXXX:replaygain_track_peak'                        '0.545231'

========================== row from database ==========================
                                              'id'  675482
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Sade/Diamond Life/MBZ;#Sade;#Diamond Life;#01;#Smooth Operator.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  300
                                           'genre'  funk or soul-soul;prerock-jb-jazz-vocal;set-pl-billboard
                                        'filesize'  7225950
                                           'mtime'  1620534298
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country MBZ;#Sade;#Diamond Life;#01;#Smooth funk soul soul;prerock jb jazz vocal;set pl billboard
                                      'tag_artist'  Sade
                                     'tag_release'  Diamond Life
                                       'tag_title'  Smooth Operator
                                             'bpm'  119.9
                                    'search_title'  'operator':2 'smooth':1
                                   'search_artist'  'sade':1
                                  'search_release'  'diamond':1 'life':2
                                     'search_rest'  '01':12,15 'billboard':29 'country':4 'diamond':7,10 'exotica':2 'funk':17 'jazz':1 'jb':23 'life':11,14 'mbz':5,8 'oldies':3 'pl':28 'prerock':20,22 'sade':6,9 'set':25,27 'smooth':13,16 'soul':18,19,21 'vocal':24,26
                                    'search_combo'  '01':17,20 'billboard':34 'country':9 'diamond':4C,12,15 'exotica':7 'funk':22 'jazz':6 'jb':28 'life':5C,16,19 'mbz':10,13 'oldies':8 'operator':2A 'pl':33 'prerock':25,27 'sade':3B,11,14 'set':30,32 'smooth':1A,18,21 'soul':23,24,26 'vocal':29,31
                                    'tag_tracknum'  1
                                      '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-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['love', 'jazz', 'female vocalists', 'soul']
                                        'tag_date'  1984
                                     'discogstags'  ['funk / soul', 'soul']

============================== file details ==============================
                                           'mtime'  1620534298.0372937  (2021-05-09 06:24:58)
                             'size'  7225950