======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '435'
                                          'artist'  'Slychosis'
                                     'text_people'  ''
                                         'release'  'progsoup 51'
                                           'title'  'Crimson Fields Of Glory'
                                           '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-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['y2k prog', 'art rock', 'progressive rock', 'neo prog', 'rock']"
                                     'discogstags'  "['prog rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '43'
                                      'tracktotal'  '10'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '136.551'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'\x00Z\x01\n\x00\x12\x01\x00\x00\x00\x00\x00\x00\x12\x02\x00\x00\x00mx\x00\x12\x03\x00\x00\x00\xfe\xcc\x00\x12\x04\x00\x00\x01OQ\x00\x12\x05\x00\x00\x01\xb4\xa8\x00\x12\x06\x00\x00\x02,?\x00\x12\x07\x00\x00\x02\x89"\x00\x12\x08\x00\x00\x03\x00a\x00\x12\t\x00\x00\x03V\x0f\x00\x12\n\x00\x00\x03\xc0\xd9\x00\x10\xaa\x00\x00\x04@r\xff\xff')
'TALB' (Album/Movie/Show title)                     'progsoup 51'
'TBPM' (BPM (beats per minute))                     '136.551'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Sicherer Modus)'
'TIT2' (Title/songname/content description)         'Crimson Fields Of Glory'
'TKEY' (Initial key)                                '10B'
'TLEN' (Length)                                     '0'
'TPE1' (Lead performer(s)/Soloist(s))               'Slychosis'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '43/10'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME.EXE -h -b 320'
'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'                                  ['prog rock', 'rock']
'TXXX:lastfmtags'                                   ['y2k prog', 'art rock', 'progressive rock', 'neo prog', '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'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.78 dB'
'TXXX:replaygain_track_peak'                        '0.304847'

========================== row from database ==========================
                                              'id'  1411319
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 51/2915 slychosis- crimson fields of glory.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  435
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  17429172
                                           'mtime'  1620737544
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 2915 slychosis crimson fields of glory rock cppex progressive;set pl progspace
                                      'tag_artist'  Slychosis
                                     'tag_release'  progsoup 51
                                       'tag_title'  Crimson Fields Of Glory
                                             'bpm'  136.551
                                    'search_title'  'crimson':1 'fields':2 'glory':4 'of':3
                                   'search_artist'  'slychosis':1
                                  'search_release'  '51':2 'progsoup':1
                                     'search_rest'  '2915':3 'classicprogpsy':1 'cppex':10 'crimson':5 'fields':6 'glory':8 'of':7 'pl':15 'progressive':11,13 'progsoup':2 'progspace':16 'rock':9 'set':12,14 'slychosis':4
                                    'search_combo'  '2915':10 '51':7C 'classicprogpsy':8 'cppex':17 'crimson':1A,12 'fields':2A,13 'glory':4A,15 'of':3A,14 'pl':22 'progressive':18,20 'progsoup':6C,9 'progspace':23 'rock':16 'set':19,21 'slychosis':5B,11
                                    'tag_tracknum'  43
                                      'num_images'  0
                                             'key'  10B
                                           '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['y2k prog', 'art rock', 'progressive rock', 'neo prog', 'rock']
                                        'tag_date'  2008
                                     'discogstags'  ['prog rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620737544.4962163  (2021-05-11 14:52:24)
                             'size'  17429172