======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '256'
                                          'artist'  'Nickelback'
                                     'text_people'  'Chad Kroeger, Daniel Adair, Mike Kroeger, Ryan Peake'
                                         'release'  '101 Running Songs, Vol.1 Disc 2'
                                           'title'  'Rockstar'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'hard rock', 'canadian', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '143.619'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'PRIV:PeakValue:!b\x00\x00'                         PRIV(owner='PeakValue', data=b'!b\x00\x00')
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'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')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
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'PRIV:WM/WMCollectionGroupID:Ì>\x9eðWzïB\x81:\x8c;¾´\xa0ï'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xcc>\x9e\xf0Wz\xefB\x81:\x8c;\xbe\xb4\xa0\xef')
'PRIV:WM/WMCollectionID:Ñ\x82\x1eÈ Å¶L\x8aÚÕÎG¶6ä'  PRIV(owner='WM/WMCollectionID', data=b'\xd1\x82\x1e\xc8 \xc5\xb6L\x8a\xda\xd5\xceG\xb66\xe4')
'PRIV:WM/WMContentID:Ð?AU:\x83\x10@¯t\x05\x13\nù\x9a^'  PRIV(owner='WM/WMContentID', data=b'\xd0?AU:\x83\x10@\xaft\x05\x13\n\xf9\x9a^')
'TALB' (Album/Movie/Show title)                     '101 Running Songs, Vol.1 Disc 2'
'TBPM' (BPM (beats per minute))                     '143.619'
'TCOM' (Composer)                                   'Chad Kroeger, Daniel Adair, Mike Kroeger, Ryan Peake'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Rockstar'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '256586'
'TPE1' (Lead performer(s)/Soloist(s))               'Nickelback'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Emi Music Distribution'
'TRCK' (Track number/Position in set)               '21'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'hard rock', 'canadian', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.95 dB'
'TXXX:replaygain_track_peak'                        '0.227117'

========================== row from database ==========================
                                              'id'  1345899
                                            'path'  /data/Music/Bulk/00poprockelectronic/set/21 - Rockstar - Nickelback.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  256
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  10301663
                                           'mtime'  1678462875
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic set 21 electronic generic or radio dance
                                      'tag_artist'  Nickelback
                                     'tag_release'  101 Running Songs, Vol.1 Disc 2
                                       'tag_title'  Rockstar
                                             'bpm'  143.619
                                    'search_title'  'rockstar':1
                                   'search_artist'  'nickelback':1
                                  'search_release'  '1':6 '101':1 '2':9 'disc':8 'running':2 'songs':3,4 'vol':5 'vol1':7
                                     'search_rest'  '00poprockelectronic':1 '21':3 'dance':8 'electronic':4 'generic':5 'or':6 'radio':7 'set':2
                                    'search_combo'  '00poprockelectronic':12 '1':8C '101':3C '2':11C '21':14 'dance':19 'disc':10C 'electronic':15 'generic':16 'nickelback':2B 'or':17 'radio':18 'rockstar':1A 'running':4C 'set':13 'songs':5C,6C 'vol':7C 'vol1':9C
                                    'tag_tracknum'  21
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-3']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'hard rock', 'canadian', 'rock']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678462874.6212277  (2023-03-10 16:41:14)
                             'size'  10301663