======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '598'
                                          'artist'  'Flame Dream'
                                     'text_people'  ''
                                         'release'  'progsoup 18'
                                           'title'  'Sun Fire'
                                           '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'  ("['switzerland', 'symphonic prog', 'progressive rock', '1983', 'symphonic "
 "progressive']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1979'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '137.106'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'0\x00\x01\x05\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\xafJ\x00\x00\x03\x00\x00\x01\x9f\xdd\x00\x00\x04\x00\x00\x02\x19]\x00\x00\x05\x00\x00\x03\x01\x9b\x00\x00\xaa\x00\x00\x03\x1bW')
'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')
'TALB' (Album/Movie/Show title)                     'progsoup 18'
'TBPM' (BPM (beats per minute))                     '137.106'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1979'
'TIT2' (Title/songname/content description)         'Sun Fire'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Flame Dream'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['switzerland',
 'symphonic prog',
 'progressive rock',
 '1983',
 'symphonic 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'                        '+0.16 dB'
'TXXX:replaygain_track_peak'                        '0.609022'

========================== row from database ==========================
                                              'id'  1414725
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 18/1010 flamedream -  sun fire.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  598
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  23943412
                                           'mtime'  1620736683
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 1010 flamedream sun fire rock cppex progressive;set pl progspace
                                      'tag_artist'  Flame Dream
                                     'tag_release'  progsoup 18
                                       'tag_title'  Sun Fire
                                             'bpm'  137.106
                                    'search_title'  'fire':2 'sun':1
                                   'search_artist'  'dream':2 'flame':1
                                  'search_release'  '18':2 'progsoup':1
                                     'search_rest'  '1010':3 'classicprogpsy':1 'cppex':8 'fire':6 'flamedream':4 'pl':13 'progressive':9,11 'progsoup':2 'progspace':14 'rock':7 'set':10,12 'sun':5
                                    'search_combo'  '1010':9 '18':6C 'classicprogpsy':7 'cppex':14 'dream':4B 'fire':2A,12 'flame':3B 'flamedream':10 'pl':19 'progressive':15,17 'progsoup':5C,8 'progspace':20 'rock':13 'set':16,18 'sun':1A,11
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  8A
                                           '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'  ['switzerland', 'symphonic prog', 'progressive rock', '1983', 'symphonic progressive']
                                        'tag_date'  1979
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736682.9153094  (2021-05-11 14:38:02)
                             'size'  23943412