======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '410'
                                          'artist'  'Goldie'
                                     'text_people'  'FFRR'
                                         'release'  'Timeless'
                                           'title'  'Kemistry'
                                           'quals'  ("['Q-MIXBEAT-3', '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-1']")
                                      'lastfmtags'  "['drum and bass', 'dnb', 'electronic', 'jungle', 'drum n bass']"
                                     'discogstags'  "['electronic', 'drum n bass', 'jungle']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '6'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle;set-pl-sced'
                                             'bpm'  '112.821'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000654 00000643 00003804'
'COMM:iTunNORM:eng'                                 (' 00000654 00000643 00003804 000037E1 0005304E 0005304E 00008000 00007B28 '
 '0003F7CE 0003F7CE')
'TALB' (Album/Movie/Show title)                     'Timeless'
'TBPM' (BPM (beats per minute))                     '112.821'
'TCOM' (Composer)                                   'FFRR'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-th-breakbeat or dnb or jungle', 'set-pl-sced']
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Kemistry'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '410540'
'TPE1' (Lead performer(s)/Soloist(s))               'Goldie'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '5/6'
'TXXX:Q-HAP'                                        '3'
'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:discogstags'                                  ['electronic', 'drum n bass', 'jungle']
'TXXX:lastfmtags'                                   ['drum and bass', 'dnb', 'electronic', 'jungle', 'drum n bass']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.40 dB'
'TXXX:replaygain_track_peak'                        '0.621389'

========================== row from database ==========================
                                              'id'  1327874
                                            'path'  /data/Music/Bulk/00poprockelectronic/Goldie/Timeless/2-05 Kemistry.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  410
                                           'genre'  electronic-th-breakbeat or dnb or jungle;set-pl-sced
                                        'filesize'  16479865
                                           'mtime'  1639843001
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2 05 electronic th breakbeat or dnb or jungle;set pl sced
                                      'tag_artist'  Goldie
                                     'tag_release'  Timeless
                                       'tag_title'  Kemistry
                                             'bpm'  112.821
                                    'search_title'  'kemistry':1
                                   'search_artist'  'goldie':1
                                  'search_release'  'timeless':1
                                     'search_rest'  '00poprockelectronic':1 '2':2 'breakbeat':5 'dnb':7 'electronic':3 'jungle':8,10 'or':6 'pl':12 'sced':13 'set':9,11 'th':4
                                    'search_combo'  '00poprockelectronic':4 '2':5 'breakbeat':8 'dnb':10 'electronic':6 'goldie':2B 'jungle':11,13 'kemistry':1A 'or':9 'pl':15 'sced':16 'set':12,14 'th':7 'timeless':3C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             '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-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['drum and bass', 'dnb', 'electronic', 'jungle', 'drum n bass']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic', 'drum n bass', 'jungle']

============================== file details ==============================
                                           'mtime'  1639843001.080147  (2021-12-18 16:56:41)
                             'size'  16479865