======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '873'
                                          'artist'  'Transatlantic'
                                     'text_people'  'Transatlantic'
                                         'release'  'progsoup 49'
                                           'title'  'Suite Charlotte Pike'
                                           '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-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['supergroup', 'progressive rock', 'progressive metal', 'progressive', 'rock']"
                                     'discogstags'  "['house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '27'
                                      'tracktotal'  '4'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '122.585'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'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 \x005\x005\x004\x002\x003\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x004\x001\x006\x002\x003\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x001\x003\x008\x002\x004\x003\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x005\x005\x004\x002\x003\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x004\x001\x006\x002\x003\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x001\x003\x008\x002\x004\x003\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:«\x8e\x9eB\x10JÃG¸y\x9f\x94Óþ\x0cA'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xab\x8e\x9eB\x10J\xc3G\xb8y\x9f\x94\xd3\xfe\x0cA')
'PRIV:WM/WMCollectionID:«\x8e\x9eB\x10JÃG¸y\x9f\x94Óþ\x0cA'  PRIV(owner='WM/WMCollectionID', data=b'\xab\x8e\x9eB\x10J\xc3G\xb8y\x9f\x94\xd3\xfe\x0cA')
'PRIV:WM/WMContentID:·\x89A¤¾ò\x13O³\x19q@\x15áOg'  PRIV(owner='WM/WMContentID', data=b'\xb7\x89A\xa4\xbe\xf2\x13O\xb3\x19q@\x15\xe1Og')
'TALB' (Album/Movie/Show title)                     'progsoup 49'
'TBPM' (BPM (beats per minute))                     '122.585'
'TCOM' (Composer)                                   'Transatlantic'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Suite Charlotte Pike'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Transatlantic'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Insideout'
'TRCK' (Track number/Position in set)               '27/4'
'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'                                  ['house', 'electronic']
'TXXX:lastfmtags'                                   ['supergroup', 'progressive rock', 'progressive metal', '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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.17 dB'
'TXXX:replaygain_track_peak'                        '0.431544'

========================== row from database ==========================
                                              'id'  1413933
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 49/2792 transatlantic - Suite Charlotte Pike.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  873
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  20961238
                                           'mtime'  1620737515
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 2792 transatlantic rock cppex progressive;set pl progspace
                                      'tag_artist'  Transatlantic
                                     'tag_release'  progsoup 49
                                       'tag_title'  Suite Charlotte Pike
                                             'bpm'  122.585
                                    'search_title'  'charlotte':2 'pike':3 'suite':1
                                   'search_artist'  'transatlantic':1
                                  'search_release'  '49':2 'progsoup':1
                                     'search_rest'  '2792':3 'classicprogpsy':1 'cppex':6 'pl':11 'progressive':7,9 'progsoup':2 'progspace':12 'rock':5 'set':8,10 'transatlantic':4
                                    'search_combo'  '2792':9 '49':6C 'charlotte':2A 'classicprogpsy':7 'cppex':12 'pike':3A 'pl':17 'progressive':13,15 'progsoup':5C,8 'progspace':18 'rock':11 'set':14,16 'suite':1A 'transatlantic':4B,10
                                    'tag_tracknum'  27
                                      'num_images'  0
                                             'key'  1A
                                           '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-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['supergroup', 'progressive rock', 'progressive metal', 'progressive', 'rock']
                                        'tag_date'  2001
                                     'discogstags'  ['house', 'electronic']

============================== file details ==============================
                                           'mtime'  1620737514.6492622  (2021-05-11 14:51:54)
                             'size'  20961238