======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '197'
                                          'artist'  'as kang'
                                     'text_people'  ''
                                         'release'  'Bally Sagoo VS Panjabi MC'
                                           'title'  'ashaq tera'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-2', 'q-syn-2', 'q-bass-4', "
 "'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-3', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-3']")
                                      'lastfmtags'  "['bhangra', 'punjabi', 'world', 'all']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-asia-india'
                                             'bpm'  '90.776'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:Î\x1e\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xce\x1e\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Bally Sagoo VS Panjabi MC'
'TBPM' (BPM (beats per minute))                     '90.776'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-india'
'TIT2' (Title/songname/content description)         'ashaq tera'
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '197000'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'as kang'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['bhangra', 'punjabi', 'world', 'all']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.34 dB'
'TXXX:replaygain_track_peak'                        '0.328441'

========================== row from database ==========================
                                              'id'  1295918
                                            'path'  /data/Music/Bulk/00poprockelectronic/Punjabi MC/BHANGRA - Punjabi MC - Ashaq Tera.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  197
                                           'genre'  loc-asia-india
                                        'filesize'  3162755
                                           'mtime'  1621630195
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Punjabi BHANGRA Punjabi Ashaq Tera loc asia india
                                      'tag_artist'  as kang
                                     'tag_release'  Bally Sagoo VS Panjabi MC
                                       'tag_title'  ashaq tera
                                             'bpm'  90.776
                                    'search_title'  'ashaq':1 'tera':2
                                   'search_artist'  'as':1 'kang':2
                                  'search_release'  'bally':1 'mc':5 'panjabi':4 'sagoo':2 'vs':3
                                     'search_rest'  '00poprockelectronic':1 'ashaq':4 'asia':7 'bhangra':3 'india':8 'loc':6 'punjabi':2 'tera':5
                                    'search_combo'  '00poprockelectronic':10 'as':3B 'ashaq':1A,13 'asia':16 'bally':5C 'bhangra':12 'india':17 'kang':4B 'loc':15 'mc':9C 'panjabi':8C 'punjabi':11 'sagoo':6C 'tera':2A,14 'vs':7C
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['bhangra', 'punjabi', 'world', 'all']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630194.8456001  (2021-05-21 22:49:54)
                             'size'  3162755