======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '334'
                                          'artist'  'The Alarm'
                                     'text_people'  'The Alarm'
                                         'release'  'Strength'
                                           'title'  'Strength'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', "
 "'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['new wave', '80s', 'rock', 'alternative', 'welsh']"
                                     'discogstags'  "['rock', 'alternative rock', 'punk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '101.462'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x001\x00+\x009\x006\x00+\x006\x002\x009\x004\x00+\x00B\x00D\x004\x003\x00+\x001\x003\x009\x00B\x008\x00+\x001\x007\x008\x00A\x00A\x00+\x001\x00C\x000\x007\x00C\x00+\x001\x00F\x008\x005\x00E\x00+\x002\x003\x003\x00B\x00D\x00+\x002\x008\x002\x004\x00B\x00+\x002\x00B\x001\x00B\x002\x00+\x003\x001\x001\x002\x00B\x00+\x003\x006\x003\x00F\x00F\x00+\x003\x00B\x007\x00F\x00B\x00+\x003\x00F\x005\x00F\x00F\x00+\x004\x003\x003\x00A\x006\x00+\x004\x006\x00B\x00A\x00B\x00+\x004\x00E\x006\x006\x00E\x00+\x005\x003\x004\x008\x003\x00\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 \x006\x007\x007\x007\x008\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x003\x005\x001\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x007\x006\x005\x003\x001\x008\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x007\x007\x007\x008\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x003\x005\x001\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x007\x006\x005\x003\x001\x008\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x19\x8f[7\x84GzI´Ói6)§ã\x8d'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x19\x8f[7\x84GzI\xb4\xd3i6)\xa7\xe3\x8d')
'PRIV:WM/WMCollectionID:\x19\x8f[7\x84GzI´Ói6)§ã\x8d'  PRIV(owner='WM/WMCollectionID', data=b'\x19\x8f[7\x84GzI\xb4\xd3i6)\xa7\xe3\x8d')
'PRIV:WM/WMContentID:Á]\x1f \x03.ÇI\x99\x91¶K\x90c\nt'  PRIV(owner='WM/WMContentID', data=b'\xc1]\x1f \x03.\xc7I\x99\x91\xb6K\x90c\nt')
'TALB' (Album/Movie/Show title)                     'Strength'
'TBPM' (BPM (beats per minute))                     '101.462'
'TCOM' (Composer)                                   'The Alarm'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Strength'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Alarm'
'TPE2' (Band/orchestra/accompaniment)               'The Alarm'
'TPUB' (Publisher)                                  'Voiceprint/21ST Century'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'alternative rock', 'punk']
'TXXX:lastfmtags'                                   ['new wave', '80s', 'rock', 'alternative', 'welsh']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.26 dB'
'TXXX:replaygain_track_peak'                        '0.423868'

========================== row from database ==========================
                                              'id'  1292588
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/406-A Alarm - Strength (single & album version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  334
                                           'genre'  rock-unsorted
                                        'filesize'  13386103
                                           'mtime'  1620389118
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 406 (single & album version) rock unsorted
                                      'tag_artist'  The Alarm
                                     'tag_release'  Strength
                                       'tag_title'  Strength
                                             'bpm'  101.462
                                    'search_title'  'strength':1
                                   'search_artist'  'alarm':2 'the':1
                                  'search_release'  'strength':1
                                     'search_rest'  '00poprockelectronic':1 '1985':2 '406':4 'album':7 'complete':3 'rock':10 'single':5,6 'unsorted':11 'version':8,9
                                    'search_combo'  '00poprockelectronic':5 '1985':6 '406':8 'alarm':3B 'album':11 'complete':7 'rock':14 'single':9,10 'strength':1A,4C 'the':2B 'unsorted':15 'version':12,13
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['new wave', '80s', 'rock', 'alternative', 'welsh']
                                        'tag_date'  1985
                                     'discogstags'  ['rock', 'alternative rock', 'punk']

============================== file details ==============================
                                           'mtime'  1620389117.9510856  (2021-05-07 14:05:17)
                             'size'  13386103