======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '80'
                                          'artist'  'Leadbelly'
                                     'text_people'  ''
                                         'release'  "25 Blues 'n' Soul Greats Vol. 4"
                                           'title'  'BIG FAT WOMAN'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-3', 'Q-LOCALNESS-3', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['acoustic', 'blues', 'delta blues', 'folk', 'classic blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '113.010'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     "25 Blues 'n' Soul Greats Vol. 4"
'TBPM' (BPM (beats per minute))                     '113.010'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-blues', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TIT2' (Title/songname/content description)         'BIG FAT WOMAN'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Leadbelly'
'TPE2' (Band/orchestra/accompaniment)               'Leadbelly'
'TRCK' (Track number/Position in set)               '9'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MusicMagic Data'                              'AgEAG8GDjtCZYItJgmCwhGFF49mO0YDp5ryfoDPqieWzuYABheQALq5HgAGvEIEMgFeAAb0u6mVK0IABgAG5CeaWAtTEo67CgAKAAYM8owWSQIF/F7k9ZZNugpaHzQpsq64PIILjzeGI1I08Fym4FoFk6ruNzYaejHO7ot23vnWFxIIpxn4FEu8LzjyiwIACgAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['acoustic', 'blues', 'delta blues', 'folk', 'classic blues']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.12 dB'
'TXXX:replaygain_track_peak'                        '0.530917'

========================== row from database ==========================
                                              'id'  1516157
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Unsorted/Leadbelly__25 Blues _n_ Soul Greats Vol. 4__cifs34ff.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  80
                                           'genre'  prerock-jb-blues;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  1337246
                                           'mtime'  1620346109
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Unsorted Leadbelly__25 _n_ 4__cifs34ff prerock jb blues;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Leadbelly
                                     'tag_release'  25 Blues 'n' Soul Greats Vol. 4
                                       'tag_title'  BIG FAT WOMAN
                                             'bpm'  113.01
                                    'search_title'  'big':1 'fat':2 'woman':3
                                   'search_artist'  'leadbelly':1
                                  'search_release'  '25':1 '4':9 'blues':2 'greats':6 'n':3,4 'soul':5 'vol':7,8
                                     'search_rest'  '25':7 '4':9 'blues':13,15 'cifs34ff':10 'country':4 'exotica':2 'jazz':1 'jb':12 'leadbelly':6 'mor':22 'n':8 'oldies':3 'pl':17 'prerock':11 'set':14,16,19,21 'shirleyspinoza':18,20 'unsorted':5
                                    'search_combo'  '25':5C,20 '4':13C,22 'big':1A 'blues':6C,26,28 'cifs34ff':23 'country':17 'exotica':15 'fat':2A 'greats':10C 'jazz':14 'jb':25 'leadbelly':4B,19 'mor':35 'n':7C,8C,21 'oldies':16 'pl':30 'prerock':24 'set':27,29,32,34 'shirleyspinoza':31,33 'soul':9C 'unsorted':18 'vol':11C,12C 'woman':3A
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['acoustic', 'blues', 'delta blues', 'folk', 'classic blues']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620346108.9018216  (2021-05-07 02:08:28)
                             'size'  1337246