======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '346'
                                          'artist'  'ferrara'
                                     'text_people'  ' '
                                         'release'  'Space Disco - The Top 50'
                                           'title'  'love attack'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  '[\'disco\', "80\'s", \'space disco\', \'funky disco\', \'male vocalists\']'
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '28'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '132.5'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000002BD 0000023A 00000E03 00000A3C 0000EA8E 0003A997 00004D43 00005157 '
 '0004940E 00015FA7')
'TALB' (Album/Movie/Show title)                     'Space Disco - The Top 50'
'TBPM' (BPM (beats per minute))                     '132.5'
'TCOM' (Composer)                                   ' '
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TIT1' (Content group description)                  ' '
'TIT2' (Title/songname/content description)         'love attack'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'ferrara'
'TRCK' (Track number/Position in set)               '28'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['disco', "80's", 'space disco', 'funky disco', 'male vocalists']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.55 dB'
'TXXX:replaygain_track_peak'                        '0.607262'

========================== row from database ==========================
                                              'id'  1333198
                                            'path'  /data/Music/Bulk/00poprockelectronic/v.a. - space disco_the top 50/28 ferrara - love attack.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  346
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  7086439
                                           'mtime'  1620573972
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic v.a. space disco_the top 28 electronic we disco or italo
                                      'tag_artist'  ferrara
                                     'tag_release'  Space Disco - The Top 50
                                       'tag_title'  love attack
                                             'bpm'  132.5
                                    'search_title'  'attack':2 'love':1
                                   'search_artist'  'ferrara':1
                                  'search_release'  '50':5 'disco':2 'space':1 'the':3 'top':4
                                     'search_rest'  '00poprockelectronic':1 '28':9 'a':3 'disco':6,12 'electronic':10 'italo':14 'or':13 'space':5 'the':7 'top':8 'v':2 'va':4 'we':11
                                    'search_combo'  '00poprockelectronic':9 '28':17 '50':8C 'a':11 'attack':2A 'disco':5C,14,20 'electronic':18 'ferrara':3B 'italo':22 'love':1A 'or':21 'space':4C,13 'the':6C,15 'top':7C,16 'v':10 'va':12 'we':19
                                    'tag_tracknum'  28
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['disco', "80's", 'space disco', 'funky disco', 'male vocalists']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573972.112403  (2021-05-09 17:26:12)
                             'size'  7086439