======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '299'
                                          'artist'  'Dustlab'
                                     'text_people'  ''
                                         'release'  'Blaidz'
                                           'title'  'Next'
                                           '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-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-4']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '106.587'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:s\x1a\x00\x00'                   PRIV(owner='AverageLevel', data=b's\x1a\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Blaidz'
'TBPM' (BPM (beats per minute))                     '106.587'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TDRC' (Recording time)                             '2000'
'TFLT' (File type)                                  'MPG/3'
'TIT2' (Title/songname/content description)         'Next'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '299645'
'TPE1' (Lead performer(s)/Soloist(s))               'Dustlab'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '2'
'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:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.08 dB'
'TXXX:replaygain_track_peak'                        '0.514360'
'UFID:mailto:webmaster@mp3.com'                     UFID(owner='mailto:webmaster@mp3.com', data=b'646513')
'USER:eng'                                          ('Copyright notice. All material on MP3.com are protected by copyright law and '
 'by international treaties. You may download this material and make a '
 'reasonable number of copies of this material only for your own personal use. '
 'You may not otherwise reproduce, distribute, publicly perform, publicly '
 'display, or create derivative works of this material, unless authorized by '
 'the appropriate copyright owner(s).')
'USLT::eng'                                         ('Dress me in tommorrow\r\n'
 'The sorrow might go away\r\n'
 'Today I had to borrow two cents worth of \r\n'
 '  sanity to get me thought this prayer\r\n'
 'Rip me from yesterday\r\n'
 'Less hell to pay\r\n'
 "'Cause I have no idea what's coming\r\n"
 "I'd rather black out come to much later and \r\n"
 '  just have you tell me the deal,')

========================== row from database ==========================
                                              'id'  1318026
                                            'path'  /data/Music/Bulk/00poprockelectronic/Dustlab/next.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  299
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  4813880
                                           'mtime'  1621696764
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic next electronic th breakbeat or dnb or jungle
                                      'tag_artist'  Dustlab
                                     'tag_release'  Blaidz
                                       'tag_title'  Next
                                             'bpm'  106.587
                                    'search_title'  'next':1
                                   'search_artist'  'dustlab':1
                                  'search_release'  'blaidz':1
                                     'search_rest'  '00poprockelectronic':1 'breakbeat':5 'dnb':7 'electronic':3 'jungle':8 'next':2 'or':6 'th':4
                                    'search_combo'  '00poprockelectronic':4 'blaidz':3C 'breakbeat':8 'dnb':10 'dustlab':2B 'electronic':6 'jungle':11 'next':1A,5 'or':9 'th':7
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  []
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696764.0184617  (2021-05-22 17:19:24)
                             'size'  4813880