======================== unified (from filesystem) ========================
                                         'bitrate'  '262.951'
                                        'duration'  '455'
                                          'artist'  'MASTER BOOT RECORD'
                                     'text_people'  ''
                                         'release'  '486DX'
                                           'title'  '64MB'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['chiptune', 'electronic', 'industrial metal', 'synthwave', 'metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '2'
                                            'date'  '2017'
                                        'comments'  ''
                                           'genre'  'electronic-we-synthwave or chillwave or retrowave'
                                             'bpm'  '130.1'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'WEB'
'TALB' (Album/Movie/Show title)                     '486DX'
'TBPM' (BPM (beats per minute))                     '130.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-synthwave or chillwave or retrowave'
'TDRC' (Recording time)                             '2017'
'TIT2' (Title/songname/content description)         '64MB'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'MASTER BOOT RECORD'
'TPE2' (Band/orchestra/accompaniment)               'MASTER BOOT RECORD'
'TRCK' (Track number/Position in set)               '2/2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['chiptune', 'electronic', 'industrial metal', 'synthwave', 'metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.60 dB'
'TXXX:replaygain_track_peak'                        '0.436902'

========================== row from database ==========================
                                              'id'  1306358
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00synthwave/MASTER BOOT RECORD - (2017) 486DX [EP]/02 - 64MB.mp3
                                         'working'  None
                                         'bitrate'  262
                                    'duration_sec'  455
                                           'genre'  electronic-we-synthwave or chillwave or retrowave
                                        'filesize'  14966527
                                           'mtime'  1620645127
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00synthwave (2017) [EP] 02 electronic we synthwave or chillwave or retrowave
                                      'tag_artist'  MASTER BOOT RECORD
                                     'tag_release'  486DX
                                       'tag_title'  64MB
                                             'bpm'  130.1
                                    'search_title'  '64mb':1
                                   'search_artist'  'boot':2 'master':1 'record':3
                                  'search_release'  '486dx':1
                                     'search_rest'  '00poprockelectronic':1 '00synthwave':4 '2017':5,6 'chillwave':13 'disco':3 'electronic':9 'ep':7,8 'or':12 'retrowave':14 'synthwave':11 'waves':2 'we':10
                                    'search_combo'  '00poprockelectronic':6 '00synthwave':9 '2017':10,11 '486dx':5C '64mb':1A 'boot':3B 'chillwave':18 'disco':8 'electronic':14 'ep':12,13 'master':2B 'or':17 'record':4B 'retrowave':19 'synthwave':16 'waves':7 'we':15
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['chiptune', 'electronic', 'industrial metal', 'synthwave', 'metal']
                                        'tag_date'  2017
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620645126.614625  (2021-05-10 13:12:06)
                             'size'  14966527