======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '222'
                                          'artist'  'Prince'
                                     'text_people'  'Prince'
                                         'release'  'Around The World In A Day'
                                           'title'  'America'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'rock', 'pop', 'funk']"
                                     'discogstags'  "['rock', 'funk / soul', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '133.491'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Ta2r0b - KAT - xTa2r0bx - TPB - 320kbps'
'COMM:ID3v1 Comment:XXX'                            'Ta2r0b - KAT - xTa2r0bx - TP'
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'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x001\x005\x008\x000\x005\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x005\x001\x008\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x007\x004\x004\x001\x001\x000\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x001\x005\x008\x000\x005\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x005\x001\x008\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x007\x004\x004\x001\x001\x000\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x8f\x0b\x92Å$\x1f\nK¾ïS\x990&I+'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x8f\x0b\x92\xc5$\x1f\nK\xbe\xefS\x990&I+')
'PRIV:WM/WMCollectionID:\x8f\x0b\x92Å$\x1f\nK¾ïS\x990&I+'  PRIV(owner='WM/WMCollectionID', data=b'\x8f\x0b\x92\xc5$\x1f\nK\xbe\xefS\x990&I+')
'PRIV:WM/WMContentID:\x99Úd,\x08\x98ìC¢és%\x95Cj\x81'  PRIV(owner='WM/WMContentID', data=b'\x99\xdad,\x08\x98\xecC\xa2\xe9s%\x95Cj\x81')
'PRIV:ZuneAlbumArtistMediaID:\x00\x00h«\x00\x02Û\x11\x89Ê\x00\x19¹*93'  PRIV(owner='ZuneAlbumArtistMediaID', data=b'\x00\x00h\xab\x00\x02\xdb\x11\x89\xca\x00\x19\xb9*93')
'PRIV:ZuneAlbumMediaID:\x00\x00J\x95\x00\x01Û\x11\x89Ê\x00\x19¹*93'  PRIV(owner='ZuneAlbumMediaID', data=b'\x00\x00J\x95\x00\x01\xdb\x11\x89\xca\x00\x19\xb9*93')
'PRIV:ZuneCollectionID:Uå\x9cÁÝðZJ\x94íÿpGª_Ö'      PRIV(owner='ZuneCollectionID', data=b'U\xe5\x9c\xc1\xdd\xf0ZJ\x94\xed\xffpG\xaa_\xd6')
'PRIV:ZuneMediaID:\x00\x00J¡\x00\x01Û\x11\x89Ê\x00\x19¹*93'  PRIV(owner='ZuneMediaID', data=b'\x00\x00J\xa1\x00\x01\xdb\x11\x89\xca\x00\x19\xb9*93')
'TALB' (Album/Movie/Show title)                     'Around The World In A Day'
'TBPM' (BPM (beats per minute))                     '133.491'
'TCOM' (Composer)                                   'Prince'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'America'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Prince & the Revolution'
'TPE2' (Band/orchestra/accompaniment)               'Prince'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Paisley Park'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'funk / soul', 'pop']
'TXXX:lastfmtags'                                   ['80s', 'rock', 'pop', 'funk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+7.89 dB'
'TXXX:replaygain_track_peak'                        '0.380963'

========================== row from database ==========================
                                              'id'  1293621
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/327-A Prince & The Revolution - America (single version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  222
                                           'genre'  funk or soul
                                        'filesize'  9706625
                                           'mtime'  1628357920
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 327 & Revolution (single version) funk soul
                                      'tag_artist'  Prince
                                     'tag_release'  Around The World In A Day
                                       'tag_title'  America
                                             'bpm'  133.491
                                    'search_title'  'america':1
                                   'search_artist'  'prince':1
                                  'search_release'  'a':5 'around':1 'day':6 'in':4 'the':2 'world':3
                                     'search_rest'  '00poprockelectronic':1 '1985':2 '327':4 'complete':3 'funk':10 'revolution':5 'single':6,7 'soul':11 'version':8,9
                                    'search_combo'  '00poprockelectronic':9 '1985':10 '327':12 'a':7C 'america':1A 'around':3C 'complete':11 'day':8C 'funk':18 'in':6C 'prince':2B 'revolution':13 'single':14,15 'soul':19 'the':4C 'version':16,17 'world':5C
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['80s', 'rock', 'pop', 'funk']
                                        'tag_date'  1985
                                     'discogstags'  ['rock', 'funk / soul', 'pop']

============================== file details ==============================
                                           'mtime'  1628357919.651765  (2021-08-07 19:38:39)
                             'size'  9706625