======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '353'
                                          'artist'  "Darwin's Radio"
                                     'text_people'  "Darwin's Radio"
                                         'release'  'Progsoup 41'
                                           'title'  'Stronger'
                                           '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-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['new prog', 'neo progressive', 'progressive rock', 'neo prog', 'progressive']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '140.044'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'8\x00+\x009\x006\x00+\x00A\x00B\x001\x004\x00+\x001\x001\x002\x009\x005\x00+\x001\x009\x005\x007\x002\x00+\x001\x00D\x00D\x00D\x003\x00+\x002\x007\x000\x00C\x004\x00+\x002\x00D\x007\x00E\x00C\x00+\x003\x002\x009\x00A\x005\x00+\x003\x00F\x009\x007\x00A\x00\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:U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/WMCollectionID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/WMCollectionID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/WMContentID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/WMContentID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Progsoup 41'
'TBPM' (BPM (beats per minute))                     '140.044'
'TCOM' (Composer)                                   "Darwin's Radio"
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Stronger'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '353293'
'TPE1' (Lead performer(s)/Soloist(s))               "Darwin's Radio"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '17'
'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'                                   ['new prog', 'neo progressive', 'progressive rock', 'neo prog', 'progressive']
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.83 dB'
'TXXX:replaygain_track_peak'                        '0.479914'

========================== row from database ==========================
                                              'id'  1409926
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 41/2376 darwins radio - stronger.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  353
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  7069696
                                           'mtime'  1620737377
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 2376 darwins radio stronger rock cppex progressive;set pl progspace
                                      'tag_artist'  Darwin's Radio
                                     'tag_release'  Progsoup 41
                                       'tag_title'  Stronger
                                             'bpm'  140.044
                                    'search_title'  'stronger':1
                                   'search_artist'  'darwin':1 'darwins':3 'radio':4 's':2
                                  'search_release'  '41':2 'progsoup':1
                                     'search_rest'  '2376':3 'classicprogpsy':1 'cppex':8 'darwins':4 'pl':13 'progressive':9,11 'progsoup':2 'progspace':14 'radio':5 'rock':7 'set':10,12 'stronger':6
                                    'search_combo'  '2376':10 '41':7C 'classicprogpsy':8 'cppex':15 'darwin':2B 'darwins':4B,11 'pl':20 'progressive':16,18 'progsoup':6C,9 'progspace':21 'radio':5B,12 'rock':14 's':3B 'set':17,19 'stronger':1A,13
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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'  ['new prog', 'neo progressive', 'progressive rock', 'neo prog', 'progressive']
                                        'tag_date'  1975
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737377.4376898  (2021-05-11 14:49:37)
                             'size'  7069696