======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '193'
                                          'artist'  'Peter Hammill'
                                     'text_people'  ''
                                         'release'  'progsoup 58'
                                           'title'  'Call That a Conversation'
                                           '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-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['progressive', 'art rock', 'rock', 'progressive rock', 'experimental', "
 "'singer songwriter']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '28'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '124.468'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'E\x00+\x009\x006\x00+\x003\x001\x006\x005\x00+\x008\x002\x005\x00F\x00+\x00A\x00A\x00C\x00D\x00+\x00C\x005\x00D\x00F\x00+\x00D\x00A\x001\x00B\x00+\x00F\x00F\x00C\x003\x00+\x001\x003\x00B\x00D\x002\x00+\x001\x008\x006\x006\x00E\x00+\x001\x00B\x00F\x003\x00A\x00+\x001\x00E\x001\x009\x005\x00+\x002\x000\x007\x009\x002\x00+\x002\x006\x00B\x002\x009\x00+\x002\x009\x00A\x008\x001\x00+\x002\x00D\x00C\x00D\x00D\x00\x00\x00')
'PRIV:AverageLevel:ß\x12\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xdf\x12\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\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:M\x00u\x00z\x00e\x00\x00\x00'     PRIV(owner='WM/Provider', data=b'M\x00u\x00z\x00e\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x81ðÙR\x9a|æO©i2*IÇÒÛ'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x81\xf0\xd9R\x9a|\xe6O\xa9i2*I\xc7\xd2\xdb')
'PRIV:WM/WMCollectionID:\x81ðÙR\x9a|æO©i2*IÇÒÛ'     PRIV(owner='WM/WMCollectionID', data=b'\x81\xf0\xd9R\x9a|\xe6O\xa9i2*I\xc7\xd2\xdb')
'PRIV:WM/WMContentID:¯\x95ý\x1aÓëúM\x902\x91pÎR\x98\x80'  PRIV(owner='WM/WMContentID', data=b'\xaf\x95\xfd\x1a\xd3\xeb\xfaM\x902\x91p\xceR\x98\x80')
'TALB' (Album/Movie/Show title)                     'progsoup 58'
'TBPM' (BPM (beats per minute))                     '124.468'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Call That a Conversation'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '193866'
'TPE1' (Lead performer(s)/Soloist(s))               'Peter Hammill'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Fie'
'TRCK' (Track number/Position in set)               '28'
'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:lastfmtags'                                   ['progressive',
 'art rock',
 'rock',
 'progressive rock',
 'experimental',
 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.97 dB'
'TXXX:replaygain_track_peak'                        '0.595408'

========================== row from database ==========================
                                              'id'  1414526
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 58/3255 peter hammill -  call that a conversation.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  193
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  7756669
                                           'mtime'  1620737599
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 3255 peter hammill call that conversation rock cppex progressive;set pl progspace
                                      'tag_artist'  Peter Hammill
                                     'tag_release'  progsoup 58
                                       'tag_title'  Call That a Conversation
                                             'bpm'  124.468
                                    'search_title'  'a':3 'call':1 'conversation':4 'that':2
                                   'search_artist'  'hammill':2 'peter':1
                                  'search_release'  '58':2 'progsoup':1
                                     'search_rest'  '3255':3 'call':6 'classicprogpsy':1 'conversation':8 'cppex':10 'hammill':5 'peter':4 'pl':15 'progressive':11,13 'progsoup':2 'progspace':16 'rock':9 'set':12,14 'that':7
                                    'search_combo'  '3255':11 '58':8C 'a':3A 'call':1A,14 'classicprogpsy':9 'conversation':4A,16 'cppex':18 'hammill':6B,13 'peter':5B,12 'pl':23 'progressive':19,21 'progsoup':7C,10 'progspace':24 'rock':17 'set':20,22 'that':2A,15
                                    'tag_tracknum'  28
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive', 'art rock', 'rock', 'progressive rock', 'experimental', 'singer songwriter']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737599.1538625  (2021-05-11 14:53:19)
                             'size'  7756669