======================== unified (from filesystem) ========================
                                         'bitrate'  '212.868'
                                        'duration'  '241'
                                          'artist'  'Steamboat Switzerland'
                                     'text_people'  'Sam Hayden'
                                         'release'  'Progsoup 37'
                                           'title'  'DB VII'
                                           '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-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['noise rock', 'experimental', 'avant-garde', 'avant-prog', 'experimental "
 "rock']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '24'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '135.455'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'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\x004\x002\x009\x002\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x004\x008\x004\x003\x008\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x000\x004\x007\x006\x001\x001\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x005\x004\x002\x009\x002\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x004\x008\x004\x003\x008\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x000\x004\x007\x006\x001\x001\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:ű\x16{\x10õ¬A\x87\tʽ4\x83õI'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xc5\xb1\x16{\x10\xf5\xacA\x87\t\xca\xbd4\x83\xf5I')
'PRIV:WM/WMCollectionID:ű\x16{\x10õ¬A\x87\tʽ4\x83õI'  PRIV(owner='WM/WMCollectionID', data=b'\xc5\xb1\x16{\x10\xf5\xacA\x87\t\xca\xbd4\x83\xf5I')
'PRIV:WM/WMContentID:\x04îz¼Ý\x83¡F±#\x00Fä\x0c¼~'  PRIV(owner='WM/WMContentID', data=b'\x04\xeez\xbc\xdd\x83\xa1F\xb1#\x00F\xe4\x0c\xbc~')
'TALB' (Album/Movie/Show title)                     'Progsoup 37'
'TBPM' (BPM (beats per minute))                     '135.455'
'TCOM' (Composer)                                   'Sam Hayden'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'DB VII'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Steamboat Switzerland'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Grob'
'TRCK' (Track number/Position in set)               '24'
'TSSE' (Software/Hardware and settings used for encoding)  ('Audiograbber 1.81.02, LAME dll 3.91, VBR 0 (Default method), Joint Stereo, '
 'High quality')
'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'                                   ['noise rock', 'experimental', 'avant-garde', 'avant-prog', 'experimental rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                        '-0.21 dB'
'TXXX:replaygain_track_peak'                        '0.525373'

========================== row from database ==========================
                                              'id'  1409284
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 37/2155 steamboat switzerland - 13 db vii.mp3
                                         'working'  None
                                         'bitrate'  212
                                    'duration_sec'  241
                                           'genre'  rock-cppex-progressive
                                        'filesize'  6438417
                                           'mtime'  1620737287
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 2155 steamboat switzerland 13 db vii rock cppex progressive
                                      'tag_artist'  Steamboat Switzerland
                                     'tag_release'  Progsoup 37
                                       'tag_title'  DB VII
                                             'bpm'  135.455
                                    'search_title'  'db':1 'vii':2
                                   'search_artist'  'steamboat':1 'switzerland':2
                                  'search_release'  '37':2 'progsoup':1
                                     'search_rest'  '2155':3 'classicprogpsy':1 'cppex':9 'db':6 'progressive':10 'progsoup':2 'rock':8 'steamboat':4 'switzerland':5 'vii':7
                                    'search_combo'  '2155':9 '37':6C 'classicprogpsy':7 'cppex':15 'db':1A,12 'progressive':16 'progsoup':5C,8 'rock':14 'steamboat':3B,10 'switzerland':4B,11 'vii':2A,13
                                    'tag_tracknum'  24
                                      'num_images'  1
                                             'key'  7A
                                           '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-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['noise rock', 'experimental', 'avant-garde', 'avant-prog', 'experimental rock']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737286.664828  (2021-05-11 14:48:06)
                             'size'  6438417