======================== unified (from filesystem) ========================
                                         'bitrate'  '208.555'
                                        'duration'  '218'
                                          'artist'  'The KLF'
                                     'text_people'  ''
                                         'release'  'Billboard Top Hits: 1991'
                                           'title'  '3 A.M. Eternal'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'electronica', 'techno', 'electronic', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '10'
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;set-pl-billboard'
                                             'bpm'  '119.335'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Cleaned by TuneUp!'
'COMM:ID3v1 Comment:XXX'                            'Cleaned by TuneUp!'
'COMM:MusicMatch_Preference:eng'                    'None'
'COMM:iTunNORM:eng'                                 (' 0000076D 0000075B 000048A2 0000429A 000247F2 0002C5A8 00008000 00008000 '
 '00005EB1 00007E13')
'TALB' (Album/Movie/Show title)                     'Billboard Top Hits: 1991'
'TBPM' (BPM (beats per minute))                     '119.335'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'set-pl-billboard']
'TDRC' (Recording time)                             '1990'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         '3 A.M. Eternal'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'The KLF'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '6/10'
'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:lastfmtags'                                   ['dance', 'electronica', 'techno', 'electronic', 'ambient']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+12.22 dB'
'TXXX:replaygain_track_peak'                        '0.129427'

========================== row from database ==========================
                                              'id'  1290529
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/3 a m eternal.mp3
                                         'working'  None
                                         'bitrate'  208
                                    'duration_sec'  218
                                           'genre'  electronic-unsorted;set-pl-billboard
                                        'filesize'  5787360
                                           'mtime'  1621696747
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] m eternal electronic unsorted;set pl billboard
                                      'tag_artist'  The KLF
                                     'tag_release'  Billboard Top Hits: 1991
                                       'tag_title'  3 A.M. Eternal
                                             'bpm'  119.335
                                    'search_title'  '3':1 'a':2 'am':4 'eternal':5 'm':3
                                   'search_artist'  'klf':2 'the':1
                                  'search_release'  '1991':5 'billboard':1 'hits':3,4 'top':2
                                     'search_rest'  '00poprockelectronic':1 'billboard':15 'electronic':9 'eternal':8 'files':5,6 'loose':3,4 'm':7 'pl':14 'set':11,13 'unsorted':2,10,12
                                    'search_combo'  '00poprockelectronic':13 '1991':12C '3':1A 'a':2A 'am':4A 'billboard':8C,27 'electronic':21 'eternal':5A,20 'files':17,18 'hits':10C,11C 'klf':7B 'loose':15,16 'm':3A,19 'pl':26 'set':23,25 'the':6B 'top':9C 'unsorted':14,22,24
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'electronica', 'techno', 'electronic', 'ambient']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696747.471263  (2021-05-22 17:19:07)
                             'size'  5787360