======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '471'
                                          'artist'  'Beardfish'
                                     'text_people'  'Rikard Sjöblom'
                                         'release'  'progsoup 16'
                                           'title'  'Same Old Song'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swedish', 'art rock', 'progressive rock', 'progressive', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '120.113'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000A04 00000898 00003BCC'
'COMM:iTunNORM:eng'                                 (' 00000A04 00000898 00003BCC 0000725B 0004E22E 00038287 00008000 00007DA3 '
 '00057E85 0005A567')
'MCDI' (Music CD identifier)                        MCDI(data=b'B\x00+\x009\x006\x00+\x00E\x009\x007\x00+\x009\x009\x008\x00F\x00+\x00D\x00A\x00A\x00E\x00+\x001\x004\x003\x00E\x00D\x00+\x002\x001\x008\x00F\x00E\x00+\x002\x005\x004\x00D\x004\x00+\x002\x00D\x006\x000\x005\x00+\x003\x004\x00C\x000\x000\x00+\x003\x00C\x00F\x008\x004\x00+\x003\x00F\x00E\x001\x00F\x00+\x004\x008\x008\x002\x002\x00\x00\x00')
'PRIV:AverageLevel:×\x19\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xd7\x19\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\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 \x001\x000\x005\x009\x000\x005\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x009\x000\x003\x008\x005\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x000\x005\x002\x002\x004\x002\x000\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x001\x000\x005\x009\x000\x005\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x009\x000\x003\x008\x005\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x000\x005\x002\x002\x004\x002\x000\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:m@}\x02¦|æB\x86ÂÞ}ØéòÖ'  PRIV(owner='WM/WMCollectionGroupID', data=b'm@}\x02\xa6|\xe6B\x86\xc2\xde}\xd8\xe9\xf2\xd6')
'PRIV:WM/WMCollectionID:m@}\x02¦|æB\x86ÂÞ}ØéòÖ'     PRIV(owner='WM/WMCollectionID', data=b'm@}\x02\xa6|\xe6B\x86\xc2\xde}\xd8\xe9\xf2\xd6')
'PRIV:WM/WMContentID:\x01\x1d\x83jûúrD\x8a\x02µ\x8f&w4*'  PRIV(owner='WM/WMContentID', data=b'\x01\x1d\x83j\xfb\xfarD\x8a\x02\xb5\x8f&w4*')
'TALB' (Album/Movie/Show title)                     'progsoup 16'
'TBPM' (BPM (beats per minute))                     '120.113'
'TCOM' (Composer)                                   'Rikard Sjöblom'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Same Old Song'
'TKEY' (Initial key)                                '12B'
'TLEN' (Length)                                     '471080'
'TPE1' (Lead performer(s)/Soloist(s))               'Beardfish'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Inside Out Music'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['swedish', 'art rock', 'progressive rock', 'progressive', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.28 dB'
'TXXX:replaygain_track_peak'                        '0.451414'

========================== row from database ==========================
                                              'id'  1415654
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 16/900 beardfish - Same Old Song.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  471
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  11311089
                                           'mtime'  1620736586
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 900 beardfish rock cppex progressive;set pl progspace
                                      'tag_artist'  Beardfish
                                     'tag_release'  progsoup 16
                                       'tag_title'  Same Old Song
                                             'bpm'  120.113
                                    'search_title'  'old':2 'same':1 'song':3
                                   'search_artist'  'beardfish':1
                                  'search_release'  'progsoup':1
                                     'search_rest'  '900':3 'beardfish':4 'classicprogpsy':1 'cppex':6 'pl':11 'progressive':7,9 'progsoup':2 'progspace':12 'rock':5 'set':8,10
                                    'search_combo'  '900':8 'beardfish':4B,9 'classicprogpsy':6 'cppex':11 'old':2A 'pl':16 'progressive':12,14 'progsoup':5C,7 'progspace':17 'rock':10 'same':1A 'set':13,15 'song':3A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', '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'  ['swedish', 'art rock', 'progressive rock', 'progressive', 'rock']
                                        'tag_date'  2007
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736586.4005375  (2021-05-11 14:36:26)
                             'size'  11311089