======================== unified (from filesystem) ========================
                                         'bitrate'  '174.348'
                                        'duration'  '332'
                                          'artist'  'Diagonal'
                                     'text_people'  ''
                                         'release'  'Progsoup 33'
                                           'title'  'Cannon Missfire'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', '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'  "['post hardcore', 'jazz rock', 'progressive rock', 'experimental']"
                                     'discogstags'  "['techno', 'electronic', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '39'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '93.328'
                                             'key'  '8A'
                                        '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')
'TALB' (Album/Movie/Show title)                     'Progsoup 33'
'TBPM' (BPM (beats per minute))                     '93.328'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2008'
'TFLT' (File type)                                  'MPG/3'
'TIT2' (Title/songname/content description)         'Cannon Missfire'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Diagonal'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '39'
'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'                                  ['techno', 'electronic', 'ambient']
'TXXX:lastfmtags'                                   ['post hardcore', 'jazz rock', 'progressive rock', 'experimental']
'TXXX:q-bass'                                       '3'
'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'                        '-0.19 dB'
'TXXX:replaygain_track_peak'                        '0.472105'
'USER:Cop'                                          ('yright notice. These materials are protected by United States copyright law '
 'and by international treaties. You may use these materials for your '
 'personal, non-commercial use only. You may not otherwise reproduce, '
 'distribute, publicly perform, publicly display, or create derivative works '
 'of these materials, unless authorized by the appropriate copyright owner(s).')

========================== row from database ==========================
                                              'id'  1409240
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 33/1938 diagonal - cannon missfire.mp3
                                         'working'  None
                                         'bitrate'  174
                                    'duration_sec'  332
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  7369804
                                           'mtime'  1620737196
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 1938 diagonal cannon missfire rock cppex progressive;set pl progspace
                                      'tag_artist'  Diagonal
                                     'tag_release'  Progsoup 33
                                       'tag_title'  Cannon Missfire
                                             'bpm'  93.328
                                    'search_title'  'cannon':1 'missfire':2
                                   'search_artist'  'diagonal':1
                                  'search_release'  '33':2 'progsoup':1
                                     'search_rest'  '1938':3 'cannon':5 'classicprogpsy':1 'cppex':8 'diagonal':4 'missfire':6 'pl':13 'progressive':9,11 'progsoup':2 'progspace':14 'rock':7 'set':10,12
                                    'search_combo'  '1938':8 '33':5C 'cannon':1A,10 'classicprogpsy':6 'cppex':13 'diagonal':3B,9 'missfire':2A,11 'pl':18 'progressive':14,16 'progsoup':4C,7 'progspace':19 'rock':12 'set':15,17
                                    'tag_tracknum'  39
                                      'num_images'  1
                                             'key'  8A
                                           '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-3', 'q-grit-2']
                                      'lastfmtags'  ['post hardcore', 'jazz rock', 'progressive rock', 'experimental']
                                        'tag_date'  2008
                                     'discogstags'  ['techno', 'electronic', 'ambient']

============================== file details ==============================
                                           'mtime'  1620737196.4790921  (2021-05-11 14:46:36)
                             'size'  7369804