======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '230'
                                          'artist'  'Melano'
                                     'text_people'  ''
                                         'release'  'JENNY DRUM AND BASS'
                                           'title'  'On Fire'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['drum and bass', 'electronic', 'norway', 'norwegian', 'dance']"
                                     'discogstags'  "['electronic', 'drum n bass']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '85.997'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'JENNY DRUM AND BASS'
'TBPM' (BPM (beats per minute))                     '85.997'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TCOP' (Copyright message)                          'Monstercat'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'On Fire'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Melano'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Monstercat'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'drum n bass']
'TXXX:lastfmtags'                                   ['drum and bass', 'electronic', 'norway', 'norwegian', 'dance']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.44 dB'
'TXXX:replaygain_track_peak'                        '0.359848'

========================== row from database ==========================
                                              'id'  1359757
                                            'path'  /data/Music/Bulk/00poprockelectronic/00dnb/Wilkinson - JENNY DRUM AND BASS/12. Melano - On Fire.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  230
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  9302811
                                           'mtime'  1621695934
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00dnb Wilkinson 12. electronic th breakbeat or dnb or jungle
                                      'tag_artist'  Melano
                                     'tag_release'  JENNY DRUM AND BASS
                                       'tag_title'  On Fire
                                             'bpm'  85.997
                                    'search_title'  'fire':2 'on':1
                                   'search_artist'  'melano':1
                                  'search_release'  'and':3 'bass':4 'drum':2 'jenny':1
                                     'search_rest'  '00dnb':2 '00poprockelectronic':1 '12':4,5 'breakbeat':8 'dnb':10 'electronic':6 'jungle':11 'or':9 'th':7 'wilkinson':3
                                    'search_combo'  '00dnb':9 '00poprockelectronic':8 '12':11,12 'and':6C 'bass':7C 'breakbeat':15 'dnb':17 'drum':5C 'electronic':13 'fire':2A 'jenny':4C 'jungle':18 'melano':3B 'on':1A 'or':16 'th':14 'wilkinson':10
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['drum and bass', 'electronic', 'norway', 'norwegian', 'dance']
                                        'tag_date'  2016
                                     'discogstags'  ['electronic', 'drum n bass']

============================== file details ==============================
                                           'mtime'  1621695933.8996127  (2021-05-22 17:05:33)
                             'size'  9302811