======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '398'
                                          'artist'  'Astral Projection'
                                     'text_people'  ''
                                         'release'  'In The Mix - Sunrise'
                                           'title'  ''
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-4', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['trance', 'goa', 'psychedelic', 'psytrance', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-th-trance-goa or psy;set-pl-sced'
                                             'bpm'  '139.6'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000E2B 00000D75 00002F8D 000020B0 00035B77 00027145 00008000 00008000 '
 '0005CCA5 00035B60')
'TALB' (Album/Movie/Show title)                     'In The Mix - Sunrise'
'TBPM' (BPM (beats per minute))                     '139.6'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-th-trance-goa or psy', 'set-pl-sced']
'TDRC' (Recording time)                             '2000'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Astral Projection'
'TPE2' (Band/orchestra/accompaniment)               'Astral Projection'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:TITLE'                                        'Aurora Borealis'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['trance', 'goa', 'psychedelic', 'psytrance', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.35 dB'
'TXXX:replaygain_track_peak'                        '0.498676'

========================== row from database ==========================
                                              'id'  1402709
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Astral Projection/[2000] In The Mix - Sunrise/2-04 Aurora Borealis.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  398
                                           'genre'  electronic-th-trance-goa or psy;set-pl-sced
                                        'filesize'  9737432
                                           'mtime'  1620559159
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat [2000] 2 04 Aurora Borealis electronic th trance goa or psy;set pl sced
                                      'tag_artist'  Astral Projection
                                     'tag_release'  In The Mix - Sunrise
                                       'tag_title'  None
                                             'bpm'  139.6
                                    'search_title'  None
                                   'search_artist'  'astral':1 'projection':2
                                  'search_release'  'in':1 'mix':3 'sunrise':4 'the':2
                                     'search_rest'  '00poprockelectronic':1 '2':7 '2000':5,6 'aurora':8 'borealis':9 'dance':3 'electronic':10 'generic':2 'goa':13 'or':14 'pl':19 'psy':15,17 'sced':20 'set':16,18 'th':11 'trance':12 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':7 '2':13 '2000':11,12 'astral':1B 'aurora':14 'borealis':15 'dance':9 'electronic':16 'generic':8 'goa':19 'in':3C 'mix':5C 'or':20 'pl':25 'projection':2B 'psy':21,23 'sced':26 'set':22,24 'sunrise':6C 'th':17 'the':4C 'trance':18 'trapbeat':10
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-piano-1', 'q-syn-4', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['trance', 'goa', 'psychedelic', 'psytrance', 'electronic']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620559158.7359142  (2021-05-09 13:19:18)
                             'size'  9737432