======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '189'
                                          'artist'  'Lush'
                                     'text_people'  'Emma Anderson'
                                         'release'  'Gala'
                                           'title'  'Sunbathing'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', '4ad', 'shoegaze', 'britpop', 'dream pop']"
                                     'discogstags'  "['rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio'
                                             'bpm'  '134.645'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 000000F7 000001D2 000002A1'
'COMM:iTunNORM:eng'                                 (' 000000F7 000001D2 000002A1 00000567 0001ADF5 00022325 00002CD8 00003E16 '
 '000186E5 00022325')
'MCDI' (Music CD identifier)                        MCDI(data=b'F\x00+\x00B\x007\x00+\x005\x00E\x003\x001\x00+\x009\x005\x00A\x00B\x00+\x00C\x006\x00C\x00F\x00+\x001\x000\x004\x00C\x003\x00+\x001\x003\x008\x007\x00B\x00+\x001\x006\x007\x009\x007\x00+\x001\x009\x007\x00E\x00E\x00+\x001\x00C\x000\x007\x008\x00+\x001\x00F\x000\x00F\x007\x00+\x002\x002\x00D\x00A\x00D\x00+\x002\x005\x001\x00A\x005\x00+\x002\x008\x000\x009\x009\x00+\x002\x00B\x00C\x00D\x005\x00+\x002\x00E\x008\x009\x005\x00+\x003\x002\x00D\x003\x002\x00\x00\x00')
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=1, count=0)
'PRIV:AverageLevel:{\x07\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x07\x00\x00')
'PRIV:PeakValue:¡N\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1N\x00\x00')
'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')
'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\x002\x000\x008\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x004\x008\x000\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x007\x003\x004\x003\x003\x002\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x001\x002\x000\x008\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x004\x008\x000\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x007\x003\x004\x003\x003\x002\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x87\x9a\x83÷ÔL\x89F°d·A\x8azÚ+'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x87\x9a\x83\xf7\xd4L\x89F\xb0d\xb7A\x8az\xda+')
'PRIV:WM/WMCollectionID:\x87\x9a\x83÷ÔL\x89F°d·A\x8azÚ+'  PRIV(owner='WM/WMCollectionID', data=b'\x87\x9a\x83\xf7\xd4L\x89F\xb0d\xb7A\x8az\xda+')
'PRIV:WM/WMContentID:Ãï¢\x06\xa0\x9d*C\x85¸\x02\x8e#ß$:'  PRIV(owner='WM/WMContentID', data=b'\xc3\xef\xa2\x06\xa0\x9d*C\x85\xb8\x02\x8e#\xdf$:')
'TALB' (Album/Movie/Show title)                     'Gala'
'TBPM' (BPM (beats per minute))                     '134.645'
'TCOM' (Composer)                                   'Emma Anderson'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Sunbathing'
'TKEY' (Initial key)                                '9B'
'TLEN' (Length)                                     '189360'
'TPE1' (Lead performer(s)/Soloist(s))               'Lush'
'TPE2' (Band/orchestra/accompaniment)               'Lush'
'TPUB' (Publisher)                                  '4AD/Reprise'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', '4ad', 'shoegaze', 'britpop', 'dream pop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'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'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.76 dB'
'TXXX:replaygain_track_peak'                        '0.611625'

========================== row from database ==========================
                                              'id'  1297444
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/02 sunbathing(2).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  189
                                           'genre'  electronic-generic or radio
                                        'filesize'  7569954
                                           'mtime'  1630250399
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 02 sunbathing(2) electronic generic or radio
                                      'tag_artist'  Lush
                                     'tag_release'  Gala
                                       'tag_title'  Sunbathing
                                             'bpm'  134.645
                                    'search_title'  'sunbathing':1
                                   'search_artist'  'lush':1
                                  'search_release'  'gala':1
                                     'search_rest'  '00poprockelectronic':1 '2':8 'electronic':10 'files':5,6 'generic':11 'loose':3,4 'or':12 'radio':13 'sunbathing':7 'sunbathing2':9 'unsorted':2
                                    'search_combo'  '00poprockelectronic':4 '2':11 'electronic':13 'files':8,9 'gala':3C 'generic':14 'loose':6,7 'lush':2B 'or':15 'radio':16 'sunbathing':1A,10 'sunbathing2':12 'unsorted':5
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', '4ad', 'shoegaze', 'britpop', 'dream pop']
                                        'tag_date'  1990
                                     'discogstags'  ['rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1630250398.586335  (2021-08-29 17:19:58)
                             'size'  7569954