======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '263'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'Dirty Music: Music from Adult Films'
                                           'title'  "Watch Me (90's)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '85.2'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'C\x00+\x00B\x006\x00+\x004\x00B\x00D\x009\x00+\x00A\x007\x001\x004\x00+\x001\x000\x003\x005\x001\x00+\x001\x008\x002\x006\x000\x00+\x001\x00F\x002\x004\x005\x00+\x002\x004\x001\x005\x005\x00+\x002\x008\x00E\x008\x00D\x00+\x002\x00E\x00A\x004\x005\x00+\x003\x003\x006\x00D\x00A\x00+\x003\x009\x004\x007\x00E\x00+\x003\x00E\x003\x005\x00C\x00+\x004\x003\x003\x00E\x008\x00\x00\x00')
'PRIV:AverageLevel:{\x13\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x13\x00\x00')
'PRIV:PeakValue:!|\x00\x00'                         PRIV(owner='PeakValue', data=b'!|\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 \x002\x005\x004\x007\x006\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x003\x008\x009\x002\x003\x000\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x005\x004\x007\x006\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x003\x008\x009\x002\x003\x000\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:¨46\x81\x12¥ÞJ°\x1bÕ\x8döCaÂ'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xa846\x81\x12\xa5\xdeJ\xb0\x1b\xd5\x8d\xf6Ca\xc2')
'PRIV:WM/WMCollectionID:¨46\x81\x12¥ÞJ°\x1bÕ\x8döCaÂ'  PRIV(owner='WM/WMCollectionID', data=b'\xa846\x81\x12\xa5\xdeJ\xb0\x1b\xd5\x8d\xf6Ca\xc2')
'PRIV:WM/WMContentID:l\xadù\x0cÍ\x971O\x96\x89ËòÝFd\x11'  PRIV(owner='WM/WMContentID', data=b'l\xad\xf9\x0c\xcd\x971O\x96\x89\xcb\xf2\xddFd\x11')
'TALB' (Album/Movie/Show title)                     'Dirty Music: Music from Adult Films'
'TBPM' (BPM (beats per minute))                     '85.2'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         "Watch Me (90's)"
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '263573'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'DCC'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.52 dB'
'TXXX:replaygain_track_peak'                        '0.957032'

========================== row from database ==========================
                                              'id'  1532507
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/• (Uncred. Artist) - (Sue Doenim comp. LP _Dirty Music- Music from Adult Films_ 07 Track) - Watch Me (90_s).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  263
                                           'genre'  funk or soul
                                        'filesize'  6319440
                                           'mtime'  1628357651
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY Instr 70_s • (Uncred. Artist) (Sue Doenim comp. LP _Dirty Films_ 07 Track) (90_s) funk or soul
                                      'tag_artist'  [unknown]
                                     'tag_release'  Dirty Music: Music from Adult Films
                                       'tag_title'  Watch Me (90's)
                                             'bpm'  85.2
                                    'search_title'  '90':3 '90s':5 'me':2 's':4 'watch':1
                                   'search_artist'  'unknown':1,2
                                  'search_release'  'adult':5 'dirty':1 'films':6 'from':4 'music':2,3
                                     'search_rest'  '70':6 '90':22,24 'artist':10,11 'comp':15,16 'dirty':18 'doenim':14 'easy':4 'films':19 'funk':2 'instr':5 'lp':17 'or':26 's':7,23,25 'soul':3 'sue':12,13 'swing':1 'track':20,21 'uncred':8,9
                                    'search_combo'  '70':19 '90':3A,35,37 '90s':5A 'adult':12C 'artist':23,24 'comp':28,29 'dirty':8C,31 'doenim':27 'easy':17 'films':13C,32 'from':11C 'funk':15 'instr':18 'lp':30 'me':2A 'music':9C,10C 'or':39 's':4A,20,36,38 'soul':16 'sue':25,26 'swing':14 'track':33,34 'uncred':21,22 'unknown':6B,7B 'watch':1A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357650.9074945  (2021-08-07 19:34:10)
                             'size'  6319440