======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '535'
                                          'artist'  'Blind Guardian'
                                     'text_people'  ''
                                         'release'  'Progsoup 41'
                                           'title'  'Wheel Of Time (Orchestral Version)'
                                           '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'  "['symphonic metal', 'power metal', 'speed metal', 'metal', 'heavy metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '53'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '94.591'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:\x81\x1e\x00\x00'                PRIV(owner='AverageLevel', data=b'\x81\x1e\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 41'
'TBPM' (BPM (beats per minute))                     '94.591'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Wheel Of Time (Orchestral Version)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Blind Guardian'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '53'
'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'                                   ['symphonic metal', 'power metal', 'speed metal', 'metal', 'heavy metal']
'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'                        '-0.92 dB'
'TXXX:replaygain_track_peak'                        '0.441885'

========================== row from database ==========================
                                              'id'  1413773
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 41/2412 blind guardian - wheel of time (orchestral version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  535
                                           'genre'  rock-cppex-progressive
                                        'filesize'  21416144
                                           'mtime'  1620737390
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 2412 blind guardian wheel of time (orchestral version) rock cppex progressive
                                      'tag_artist'  Blind Guardian
                                     'tag_release'  Progsoup 41
                                       'tag_title'  Wheel Of Time (Orchestral Version)
                                             'bpm'  94.591
                                    'search_title'  'of':2 'orchestral':4,5 'time':3 'version':6,7 'wheel':1
                                   'search_artist'  'blind':1 'guardian':2
                                  'search_release'  '41':2 'progsoup':1
                                     'search_rest'  '2412':3 'blind':4 'classicprogpsy':1 'cppex':14 'guardian':5 'of':7 'orchestral':9,10 'progressive':15 'progsoup':2 'rock':13 'time':8 'version':11,12 'wheel':6
                                    'search_combo'  '2412':14 '41':11C 'blind':8B,15 'classicprogpsy':12 'cppex':25 'guardian':9B,16 'of':2A,18 'orchestral':4A,5A,20,21 'progressive':26 'progsoup':10C,13 'rock':24 'time':3A,19 'version':6A,7A,22,23 'wheel':1A,17
                                    'tag_tracknum'  53
                                      'num_images'  0
                                             'key'  1A
                                           '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'  ['symphonic metal', 'power metal', 'speed metal', 'metal', 'heavy metal']
                                        'tag_date'  2010
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737390.064222  (2021-05-11 14:49:50)
                             'size'  21416144