======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '144'
                                          'artist'  'U Totem'
                                     'text_people'  'James Grigsby'
                                         'release'  'progsoup 19'
                                           'title'  'Dance of the Awkward'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'Q-PLAY-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-3', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['progressive rock', 'avant-prog', 'avant-garde', 'rio', 'rock in opposition']"
                                     'discogstags'  "['jazz', 'avantgarde', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '46'
                                      'tracktotal'  ''
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '89.850'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000407 0000045B 0000138E'
'COMM:iTunNORM:eng'                                 (' 00000407 0000045B 0000138E 00000CFF 0001D4D7 0001D4D7 0000548A 00005338 '
 '0001D4C0 0001D4C0')
'MCDI' (Music CD identifier)                        MCDI(data=b'7\x00+\x009\x006\x00+\x001\x000\x007\x00B\x003\x00+\x001\x008\x003\x00C\x00D\x00+\x001\x00A\x00E\x001\x004\x00+\x002\x003\x008\x00A\x004\x00+\x002\x009\x003\x00A\x003\x00+\x003\x004\x005\x007\x00B\x00+\x004\x004\x009\x004\x009\x00\x00\x00')
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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')
'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 \x001\x006\x000\x005\x004\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x001\x008\x008\x000\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x002\x003\x008\x003\x000\x006\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x001\x006\x000\x005\x004\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x001\x008\x008\x000\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x002\x003\x008\x003\x000\x006\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\xad0\x0c]ý+SI³·\x92\x81\x9cRÁP'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xad0\x0c]\xfd+SI\xb3\xb7\x92\x81\x9cR\xc1P')
'PRIV:WM/WMCollectionID:\xad0\x0c]ý+SI³·\x92\x81\x9cRÁP'  PRIV(owner='WM/WMCollectionID', data=b'\xad0\x0c]\xfd+SI\xb3\xb7\x92\x81\x9cR\xc1P')
'PRIV:WM/WMContentID:0¤è\x89\x06õ\x83L\x82Tx\x81¾\\`Å'  PRIV(owner='WM/WMContentID', data=b'0\xa4\xe8\x89\x06\xf5\x83L\x82Tx\x81\xbe\\`\xc5')
'TALB' (Album/Movie/Show title)                     'progsoup 19'
'TBPM' (BPM (beats per minute))                     '89.850'
'TCOM' (Composer)                                   'James Grigsby'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'Dance of the Awkward'
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '144306'
'TPE1' (Lead performer(s)/Soloist(s))               'U Totem'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Cuneiform'
'TRCK' (Track number/Position in set)               '46'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['jazz', 'avantgarde', 'rock']
'TXXX:lastfmtags'                                   ['progressive rock', 'avant-prog', 'avant-garde', 'rio', 'rock in opposition']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.02 dB'
'TXXX:replaygain_track_peak'                        '0.458801'

========================== row from database ==========================
                                              'id'  1416440
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 19/1103 u totem - Dance of the Awkward.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  144
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  5771408
                                           'mtime'  1620736743
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 1103 totem rock cppex progressive;set pl progspace
                                      'tag_artist'  U Totem
                                     'tag_release'  progsoup 19
                                       'tag_title'  Dance of the Awkward
                                             'bpm'  89.85
                                    'search_title'  'awkward':4 'dance':1 'of':2 'the':3
                                   'search_artist'  'totem':2 'u':1
                                  'search_release'  '19':2 'progsoup':1
                                     'search_rest'  '1103':3 'classicprogpsy':1 'cppex':6 'pl':11 'progressive':7,9 'progsoup':2 'progspace':12 'rock':5 'set':8,10 'totem':4
                                    'search_combo'  '1103':11 '19':8C 'awkward':4A 'classicprogpsy':9 'cppex':14 'dance':1A 'of':2A 'pl':19 'progressive':15,17 'progsoup':7C,10 'progspace':20 'rock':13 'set':16,18 'the':3A 'totem':6B,12 'u':5B
                                    'tag_tracknum'  46
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'avant-prog', 'avant-garde', 'rio', 'rock in opposition']
                                        'tag_date'  1992
                                     'discogstags'  ['jazz', 'avantgarde', 'rock']

============================== file details ==============================
                                           'mtime'  1620736742.645168  (2021-05-11 14:39:02)
                             'size'  5771408