======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '77'
                                          'artist'  'Kolinda'
                                     'text_people'  ''
                                         'release'  'Progsoup 41'
                                           'title'  'Somogyi ugros'
                                           '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-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folk', 'hungarian', 'hungary', 'progressive', 'hungarian folklore']"
                                     'discogstags'  "['folk, world, & country', 'népzene', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '48'
                                      'tracktotal'  '10'
                                            'date'  '1976'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '145.267'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         ['0',
 ' 0000022E 00000207 00002D7B 000016C4 0000F09C 0000E182 00006DE0 000049E8 '
 '0000F082 0000E168',
 ' 00000000 00000210 00000B1C 0000000000342C54 00000000 001C5854 00000000 '
 '00000000 00000000 00000000 00000000 00000000']
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunes_CDDB_IDs:eng'                          '10+AC682BA7875F5A230B52A04276C8B675+2445496'
'TALB' (Album/Movie/Show title)                     'Progsoup 41'
'TBPM' (BPM (beats per minute))                     '145.267'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1976'
'TIT2' (Title/songname/content description)         'Somogyi ugros'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Kolinda'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '48/10'
'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'                                  ['folk, world, & country', 'népzene', 'folk']
'TXXX:lastfmtags'                                   ['folk', 'hungarian', 'hungary', 'progressive', 'hungarian folklore']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.25 dB'
'TXXX:replaygain_track_peak'                        '0.995663'

========================== row from database ==========================
                                              'id'  1409751
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 41/2407 Kolinda - omogyi ugros.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  77
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  1983182
                                           'mtime'  1620737390
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 2407 rock cppex progressive;set pl progspace
                                      'tag_artist'  Kolinda
                                     'tag_release'  Progsoup 41
                                       'tag_title'  Somogyi ugros
                                             'bpm'  145.267
                                    'search_title'  'somogyi':1 'ugros':2
                                   'search_artist'  'kolinda':1
                                  'search_release'  '41':2 'progsoup':1
                                     'search_rest'  '2407':3 'classicprogpsy':1 'cppex':5 'pl':10 'progressive':6,8 'progsoup':2 'progspace':11 'rock':4 'set':7,9
                                    'search_combo'  '2407':8 '41':5C 'classicprogpsy':6 'cppex':10 'kolinda':3B 'pl':15 'progressive':11,13 'progsoup':4C,7 'progspace':16 'rock':9 'set':12,14 'somogyi':1A 'ugros':2A
                                    'tag_tracknum'  48
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['folk', 'hungarian', 'hungary', 'progressive', 'hungarian folklore']
                                        'tag_date'  1976
                                     'discogstags'  ['folk, world, & country', 'népzene', 'folk']

============================== file details ==============================
                                           'mtime'  1620737389.7713654  (2021-05-11 14:49:49)
                             'size'  1983182