======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '213'
                                          'artist'  'Shirley Bassey'
                                     'text_people'  'Jim Morrison/John Densmore/Ray Manzarek/Robbie Krieger'
                                         'release'  'The Greatest Hits  - This is My Life'
                                           'title'  'Light My Fire'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['oldies', 'jazz', 'female vocalists', 'soul', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '90.776'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000806 00000F9C 00009242'
'COMM:iTunNORM:eng'                                 (' 00000806 00000F9C 00009242 0000D08D 0002254C 0002244C 00007410 00007C08 '
 '0002CB77 00007BE6')
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'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
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'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
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'PRIV:WM/WMCollectionGroupID:éÉ´\x97\x1f0"L¦°\x91\x01\x00Nè\x02'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xe9\xc9\xb4\x97\x1f0"L\xa6\xb0\x91\x01\x00N\xe8\x02')
'PRIV:WM/WMCollectionID:éÉ´\x97\x1f0"L¦°\x91\x01\x00Nè\x02'  PRIV(owner='WM/WMCollectionID', data=b'\xe9\xc9\xb4\x97\x1f0"L\xa6\xb0\x91\x01\x00N\xe8\x02')
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'TALB' (Album/Movie/Show title)                     'The Greatest Hits  - This is My Life'
'TBPM' (BPM (beats per minute))                     '90.776'
'TCOM' (Composer)                                   'Jim Morrison/John Densmore/Ray Manzarek/Robbie Krieger'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Light My Fire'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '213266'
'TPE1' (Lead performer(s)/Soloist(s))               'Shirley Bassey'
'TPE2' (Band/orchestra/accompaniment)               'Shirley Bassey'
'TPUB' (Publisher)                                  'EMI'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', 'jazz', 'female vocalists', 'soul', 'pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.12 dB'
'TXXX:replaygain_track_peak'                        '0.407412'

========================== row from database ==========================
                                              'id'  1318319
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/09 - light my fire.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  213
                                           'genre'  funk or soul
                                        'filesize'  6830170
                                           'mtime'  1628357943
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 09 light my fire funk or soul
                                      'tag_artist'  Shirley Bassey
                                     'tag_release'  The Greatest Hits  - This is My Life
                                       'tag_title'  Light My Fire
                                             'bpm'  90.776
                                    'search_title'  'fire':3 'light':1 'my':2
                                   'search_artist'  'bassey':2 'shirley':1
                                  'search_release'  'greatest':2 'hits':3 'is':5 'life':7 'my':6 'the':1 'this':4
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'fire':9 'funk':10 'light':7 'loose':3,4 'my':8 'or':11 'soul':12 'unsorted':2
                                    'search_combo'  '00poprockelectronic':13 'bassey':5B 'files':17,18 'fire':3A,21 'funk':22 'greatest':7C 'hits':8C 'is':10C 'life':12C 'light':1A,19 'loose':15,16 'my':2A,11C,20 'or':23 'shirley':4B 'soul':24 'the':6C 'this':9C 'unsorted':14
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['oldies', 'jazz', 'female vocalists', 'soul', 'pop']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357943.4592013  (2021-08-07 19:39:03)
                             'size'  6830170