======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '307'
                                          'artist'  'If'
                                     'text_people'  'Dave Quincy'
                                         'release'  'progsoup 15'
                                           'title'  'Your City Is Falling'
                                           '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-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['fusion', 'jazz rock', 'progressive rock', 'rock', 'classic rock']"
                                     'discogstags'  "['noise', 'punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '145.685'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

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'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 \x00 \x004\x001\x001\x009\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x008\x004\x000\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x00 \x007\x007\x006\x000\x009\x004\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x004\x001\x001\x009\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x008\x004\x000\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x00 \x007\x007\x006\x000\x009\x004\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:u\x10\x81\x91n\x08\x82D¹Ø}Iu¢ôÑ'  PRIV(owner='WM/WMCollectionGroupID', data=b'u\x10\x81\x91n\x08\x82D\xb9\xd8}Iu\xa2\xf4\xd1')
'PRIV:WM/WMCollectionID:u\x10\x81\x91n\x08\x82D¹Ø}Iu¢ôÑ'  PRIV(owner='WM/WMCollectionID', data=b'u\x10\x81\x91n\x08\x82D\xb9\xd8}Iu\xa2\xf4\xd1')
'PRIV:WM/WMContentID:\n±JÒ$zÉJ\x93Þ ^\x19\x9cæè'    PRIV(owner='WM/WMContentID', data=b'\n\xb1J\xd2$z\xc9J\x93\xde ^\x19\x9c\xe6\xe8')
'TALB' (Album/Movie/Show title)                     'progsoup 15'
'TBPM' (BPM (beats per minute))                     '145.685'
'TCOM' (Composer)                                   'Dave Quincy'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Your City Is Falling'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'If'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Edsel'
'TRCK' (Track number/Position in set)               '10'
'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'                                  ['noise', 'punk', 'rock']
'TXXX:lastfmtags'                                   ['fusion', 'jazz rock', 'progressive rock', 'rock', 'classic 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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.54 dB'
'TXXX:replaygain_track_peak'                        '0.428717'

========================== row from database ==========================
                                              'id'  1410997
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 15/846 if - your city is falling.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  307
                                           'genre'  rock-cppex-progressive
                                        'filesize'  7378661
                                           'mtime'  1620736514
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 846 if your city is falling rock cppex progressive
                                      'tag_artist'  If
                                     'tag_release'  progsoup 15
                                       'tag_title'  Your City Is Falling
                                             'bpm'  145.685
                                    'search_title'  'city':2 'falling':4 'is':3 'your':1
                                   'search_artist'  'if':1
                                  'search_release'  'progsoup':1
                                     'search_rest'  '846':3 'city':6 'classicprogpsy':1 'cppex':10 'falling':8 'if':4 'is':7 'progressive':11 'progsoup':2 'rock':9 'your':5
                                    'search_combo'  '846':9 'city':2A,12 'classicprogpsy':7 'cppex':16 'falling':4A,14 'if':5B,10 'is':3A,13 'progressive':17 'progsoup':6C,8 'rock':15 'your':1A,11
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  6A
                                           '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-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['fusion', 'jazz rock', 'progressive rock', 'rock', 'classic rock']
                                        'tag_date'  1970
                                     'discogstags'  ['noise', 'punk', 'rock']

============================== file details ==============================
                                           'mtime'  1620736514.4599707  (2021-05-11 14:35:14)
                             'size'  7378661