======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '442'
                                          'artist'  'LAND OF THE LOST'
                                     'text_people'  ''
                                         'release'  'techo 90s'
                                           'title'  'Diabolic'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-4', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['electronic', 'techno', 'acid']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-acid'
                                             'bpm'  '138.134'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         (' 0000021A 0000031D 00000FEC 000017DB 00030D6E 00030D6E 000056E3 00005B17 '
 '00033495 0003A997')
'COMM:ID3v1 Comment:XXX'                            ' 0000021A 0000031D 00000FEC 00'
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=255, count=0)
'PRIV:AverageLevel:ï\x13\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xef\x13\x00\x00')
'PRIV:PeakValue:\x15{\x00\x00'                      PRIV(owner='PeakValue', data=b'\x15{\x00\x00')
'TALB' (Album/Movie/Show title)                     'techo 90s'
'TBPM' (BPM (beats per minute))                     '138.134'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-acid'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Diabolic'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'LAND OF THE LOST'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronic', 'techno', 'acid']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.22 dB'
'TXXX:replaygain_track_peak'                        '0.679952'

========================== row from database ==========================
                                              'id'  1327262
                                            'path'  /data/Music/Bulk/00poprockelectronic/00electro-electropop-synthpop/Techno 90s/Land Of The Lost - Diabolic.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  442
                                           'genre'  electronic-th-techno-acid
                                        'filesize'  17698688
                                           'mtime'  1639842794
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00electro electropop synthpop Techno Land Of The Lost electronic th techno acid
                                      'tag_artist'  LAND OF THE LOST
                                     'tag_release'  techo 90s
                                       'tag_title'  Diabolic
                                             'bpm'  138.134
                                    'search_title'  'diabolic':1
                                   'search_artist'  'land':1 'lost':4 'of':2 'the':3
                                  'search_release'  '90s':2 'techo':1
                                     'search_rest'  '00electro':2 '00poprockelectronic':1 'acid':12 'electronic':10 'electropop':3 'land':6 'lost':9 'of':7 'synthpop':4 'techno':5 'th':11 'the':8
                                    'search_combo'  '00electro':9 '00poprockelectronic':8 '90s':7C 'acid':19 'diabolic':1A 'electronic':17 'electropop':10 'land':2B,13 'lost':5B,16 'of':3B,14 'synthpop':11 'techno':12 'techo':6C 'th':18 'the':4B,15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'techno', 'acid']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1639842793.5858505  (2021-12-18 16:53:13)
                             'size'  17698688