======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '434'
                                          'artist'  'Bo Hansson'
                                     'text_people'  ''
                                         'release'  'progsoup 19'
                                           'title'  'The Sun (Parallel Or 900)'
                                           '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'  "['progressive rock', 'instrumental', 'swedish', 'psychedelic', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1974'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '98.549'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:\x08\x17\x00\x00'                PRIV(owner='AverageLevel', data=b'\x08\x17\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\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')
'TALB' (Album/Movie/Show title)                     'progsoup 19'
'TBPM' (BPM (beats per minute))                     '98.549'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1974'
'TENC' (Encoded by)                                 'iTunes v1.1'
'TIT2' (Title/songname/content description)         'The Sun (Parallel Or 900)'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bo Hansson'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '5'
'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'                                   ['progressive rock', 'instrumental', 'swedish', 'psychedelic', 'experimental']
'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'                        '-0.87 dB'
'TXXX:replaygain_track_peak'                        '0.598317'

========================== row from database ==========================
                                              'id'  1413333
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 19/1062 bo hansson - the sun.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  434
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  10454912
                                           'mtime'  1620736719
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 1062 bo hansson the sun rock cppex progressive;set pl progspace
                                      'tag_artist'  Bo Hansson
                                     'tag_release'  progsoup 19
                                       'tag_title'  The Sun (Parallel Or 900)
                                             'bpm'  98.549
                                    'search_title'  '900':6,7 'or':5 'parallel':3,4 'sun':2 'the':1
                                   'search_artist'  'bo':1 'hansson':2
                                  'search_release'  '19':2 'progsoup':1
                                     'search_rest'  '1062':3 'bo':4 'classicprogpsy':1 'cppex':9 'hansson':5 'pl':14 'progressive':10,12 'progsoup':2 'progspace':15 'rock':8 'set':11,13 'sun':7 'the':6
                                    'search_combo'  '1062':14 '19':11C '900':6A,7A 'bo':8B,15 'classicprogpsy':12 'cppex':20 'hansson':9B,16 'or':5A 'parallel':3A,4A 'pl':25 'progressive':21,23 'progsoup':10C,13 'progspace':26 'rock':19 'set':22,24 'sun':2A,18 'the':1A,17
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             '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'  ['progressive rock', 'instrumental', 'swedish', 'psychedelic', 'experimental']
                                        'tag_date'  1974
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736718.5433185  (2021-05-11 14:38:38)
                             'size'  10454912