======================== unified (from filesystem) ========================
                                         'bitrate'  '224.088'
                                        'duration'  '283'
                                          'artist'  'Deftones'
                                     'text_people'  'Helmet/Page Hamilton'
                                         'release'  'B-Sides & Rarities'
                                           'title'  'Sinatra'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-4', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'metal', 'nu metal', 'rock']"
                                     'discogstags'  "['rock', 'nu metal', 'alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'eid-metal-nu'
                                             'bpm'  '80'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:\n*\x00\x00'                     PRIV(owner='AverageLevel', data=b'\n*\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')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x007\x008\x009\x000\x004\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x006\x008\x002\x003\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x008\x003\x008\x004\x007\x002\x007\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x007\x008\x009\x000\x004\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x006\x008\x002\x003\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x008\x003\x008\x004\x007\x002\x007\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x1bxÈ|[åNI¢7Í\x13îo\tª'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x1bx\xc8|[\xe5NI\xa27\xcd\x13\xeeo\t\xaa')
'PRIV:WM/WMCollectionID:\x1bxÈ|[åNI¢7Í\x13îo\tª'    PRIV(owner='WM/WMCollectionID', data=b'\x1bx\xc8|[\xe5NI\xa27\xcd\x13\xeeo\t\xaa')
'PRIV:WM/WMContentID:\x8e¢\x98\x8b\x1d$m@\x81F±\xad@8ñö'  PRIV(owner='WM/WMContentID', data=b'\x8e\xa2\x98\x8b\x1d$m@\x81F\xb1\xad@8\xf1\xf6')
'PRIV:http://www.cdtag.com:\x02\x00à*a\x00'         PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xe0*a\x00')
'TALB' (Album/Movie/Show title)                     'B-Sides & Rarities'
'TBPM' (BPM (beats per minute))                     '80'
'TCOM' (Composer)                                   'Helmet/Page Hamilton'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-nu'
'TDRC' (Recording time)                             '2005-10-04'
'TIT2' (Title/songname/content description)         'Sinatra'
'TKEY' (Initial key)                                '10B'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Deftones'
'TPE2' (Band/orchestra/accompaniment)               'Deftones'
'TPUB' (Publisher)                                  'Maverick'
'TRCK' (Track number/Position in set)               '5'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '2'
'TXXX:Release Type'                                 'Normal Release'
'TXXX:Rip Date'                                     '2005-09-30'
'TXXX:Ripping Tool'                                 'EAC'
'TXXX:Source'                                       'CD'
'TXXX:discogstags'                                  ['rock', 'nu metal', 'alternative rock']
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'metal', 'nu metal', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.19 dB'
'TXXX:replaygain_track_peak'                        '0.404212'

========================== row from database ==========================
                                              'id'  1307081
                                            'path'  /data/Music/Bulk/00poprockelectronic/Deftones/B-Sides & Rarities/05 - Sinatra.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  283
                                           'genre'  eid-metal-nu
                                        'filesize'  7941206
                                           'mtime'  1620311104
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 05 eid metal nu
                                      'tag_artist'  Deftones
                                     'tag_release'  B-Sides & Rarities
                                       'tag_title'  Sinatra
                                             'bpm'  80.0
                                    'search_title'  'sinatra':1
                                   'search_artist'  'deftones':1
                                  'search_release'  'b':1 'bsides':3 'rarities':4 'sides':2
                                     'search_rest'  '00poprockelectronic':1 'eid':2 'metal':3 'nu':4
                                    'search_combo'  '00poprockelectronic':7 'b':3C 'bsides':5C 'deftones':2B 'eid':8 'metal':9 'nu':10 'rarities':6C 'sides':4C 'sinatra':1A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-4', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'metal', 'nu metal', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  ['rock', 'nu metal', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1620311103.7737882  (2021-05-06 16:25:03)
                             'size'  7941206