======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '251'
                                          'artist'  'Job For A Cowboy'
                                     'text_people'  'Job For A Cowboy'
                                         'release'  'Doom'
                                           'title'  'Entombment of A Machine'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['metalcore', 'grindcore', 'death metal', 'deathcore', 'technical death "
 "metal']")
                                     'discogstags'  "['death metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '129'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{\x1c\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x1c\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\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:U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x06òÔ?YA\x19L»Åß\x8a\x07D2À'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x06\xf2\xd4?YA\x19L\xbb\xc5\xdf\x8a\x07D2\xc0')
'PRIV:WM/WMCollectionID:\x06òÔ?YA\x19L»Åß\x8a\x07D2À'  PRIV(owner='WM/WMCollectionID', data=b'\x06\xf2\xd4?YA\x19L\xbb\xc5\xdf\x8a\x07D2\xc0')
'PRIV:WM/WMContentID:Õp\x8aÉ[ÝñL¶s\x10ÆÍر/'        PRIV(owner='WM/WMContentID', data=b'\xd5p\x8a\xc9[\xdd\xf1L\xb6s\x10\xc6\xcd\xd8\xb1/')
'TALB' (Album/Movie/Show title)                     'Doom'
'TBPM' (BPM (beats per minute))                     '129'
'TCOM' (Composer)                                   'Job For A Cowboy'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Entombment of A Machine'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Job For A Cowboy'
'TPE2' (Band/orchestra/accompaniment)               'Job For A Cowboy'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['death metal', 'rock']
'TXXX:lastfmtags'                                   ['metalcore', 'grindcore', 'death metal', 'deathcore', 'technical death metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                        '-1.96 dB'
'TXXX:replaygain_track_peak'                        '0.379078'

========================== row from database ==========================
                                              'id'  1321542
                                            'path'  /data/Music/Bulk/00poprockelectronic/Job For A Cowboy/Doom/Job For A Cowboy-Doom-Entombment of A Machine.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  251
                                           'genre'  eid-metal
                                        'filesize'  10049408
                                           'mtime'  1620301772
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic eid metal
                                      'tag_artist'  Job For A Cowboy
                                     'tag_release'  Doom
                                       'tag_title'  Entombment of A Machine
                                             'bpm'  129.0
                                    'search_title'  'a':3 'entombment':1 'machine':4 'of':2
                                   'search_artist'  'a':3 'cowboy':4 'for':2 'job':1
                                  'search_release'  'doom':1
                                     'search_rest'  '00poprockelectronic':1 'eid':2 'metal':3
                                    'search_combo'  '00poprockelectronic':10 'a':3A,7B 'cowboy':8B 'doom':9C 'eid':11 'entombment':1A 'for':6B 'job':5B 'machine':4A 'metal':12 'of':2A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['metalcore', 'grindcore', 'death metal', 'deathcore', 'technical death metal']
                                        'tag_date'  2006
                                     'discogstags'  ['death metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620301771.6276643  (2021-05-06 13:49:31)
                             'size'  10049408