======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '153'
                                          'artist'  'The Vandals'
                                     'text_people'  'Stan Freese'
                                         'release'  'Play Really Bad Original Count'
                                           'title'  'Play That Country Tuba Cowboy'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ska', 'punk rock', 'pop punk', 'punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'entertaining-unsorted'
                                             'bpm'  '126.885'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:w\x1c\x00\x00'                   PRIV(owner='AverageLevel', data=b'w\x1c\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 \x004\x004\x005\x005\x001\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x004\x006\x001\x006\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x004\x002\x009\x001\x001\x009\x002\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x004\x004\x005\x005\x001\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x004\x006\x001\x006\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x004\x002\x009\x001\x001\x009\x002\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:Ïû\x88p3ï\x1bN¥|µ«~Î\rL'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xcf\xfb\x88p3\xef\x1bN\xa5|\xb5\xab~\xce\rL')
'PRIV:WM/WMCollectionID:Ïû\x88p3ï\x1bN¥|µ«~Î\rL'    PRIV(owner='WM/WMCollectionID', data=b'\xcf\xfb\x88p3\xef\x1bN\xa5|\xb5\xab~\xce\rL')
'PRIV:WM/WMContentID:˯LLܯØK\x90ÑÍì.Ès&'           PRIV(owner='WM/WMContentID', data=b'\xcb\xafLL\xdc\xaf\xd8K\x90\xd1\xcd\xec.\xc8s&')
'TALB' (Album/Movie/Show title)                     'Play Really Bad Original Count'
'TBPM' (BPM (beats per minute))                     '126.885'
'TCOM' (Composer)                                   'Stan Freese'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-unsorted'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Play That Country Tuba Cowboy'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Vandals'
'TPE2' (Band/orchestra/accompaniment)               'The Vandals'
'TPUB' (Publisher)                                  'Kung Fu'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['ska', 'punk rock', 'pop punk', 'punk', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.28 dB'
'TXXX:replaygain_track_peak'                        '0.471656'

========================== row from database ==========================
                                              'id'  1344781
                                            'path'  /data/Music/Bulk/00poprockelectronic/Clean/Play That Country Tuba Cowboy.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  153
                                           'genre'  entertaining-unsorted
                                        'filesize'  2453336
                                           'mtime'  1620568693
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Clean entertaining unsorted
                                      'tag_artist'  The Vandals
                                     'tag_release'  Play Really Bad Original Count
                                       'tag_title'  Play That Country Tuba Cowboy
                                             'bpm'  126.885
                                    'search_title'  'country':3 'cowboy':5 'play':1 'that':2 'tuba':4
                                   'search_artist'  'the':1 'vandals':2
                                  'search_release'  'bad':3 'count':5 'original':4 'play':1 'really':2
                                     'search_rest'  '00poprockelectronic':1 'clean':2 'entertaining':3 'unsorted':4
                                    'search_combo'  '00poprockelectronic':13 'bad':10C 'clean':14 'count':12C 'country':3A 'cowboy':5A 'entertaining':15 'original':11C 'play':1A,8C 'really':9C 'that':2A 'the':6B 'tuba':4A 'unsorted':16 'vandals':7B
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['ska', 'punk rock', 'pop punk', 'punk', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620568693.1842196  (2021-05-09 15:58:13)
                             'size'  2453336