======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '105'
                                          'artist'  'The Welcome Wagon'
                                     'text_people'  ''
                                         'release'  'Welcome To The Welcome Wagon'
                                           'title'  'Unless The Lord The House Shall Build'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'christian', 'alt country', 'alternative gospel', 'folk']"
                                     'discogstags'  "['rock', 'acoustic', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie'
                                             'bpm'  '85.634'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::XXX'                                         '0'
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunes_CDDB_IDs:eng'                          '12+32B2C248F13E62F9AE5AB953699C7003+11972049'
'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 \x001\x004\x004\x008\x002\x008\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x008\x004\x006\x007\x000\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x005\x002\x006\x009\x000\x008\x002\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x001\x004\x004\x008\x002\x008\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x008\x004\x006\x007\x000\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x005\x002\x006\x009\x000\x008\x002\x00\x00\x00')
"PRIV:WM/WMCollectionGroupID:îä'¾MGÔN\x9dê\x12Ô\x87Q\x14&"  PRIV(owner='WM/WMCollectionGroupID', data=b"\xee\xe4'\xbeMG\xd4N\x9d\xea\x12\xd4\x87Q\x14&")
"PRIV:WM/WMCollectionID:îä'¾MGÔN\x9dê\x12Ô\x87Q\x14&"  PRIV(owner='WM/WMCollectionID', data=b"\xee\xe4'\xbeMG\xd4N\x9d\xea\x12\xd4\x87Q\x14&")
'PRIV:WM/WMContentID:¤@\x8cº\x04"¸J°\x8ek5ûþX<'     PRIV(owner='WM/WMContentID', data=b'\xa4@\x8c\xba\x04"\xb8J\xb0\x8ek5\xfb\xfeX<')
'TALB' (Album/Movie/Show title)                     'Welcome To The Welcome Wagon'
'TBPM' (BPM (beats per minute))                     '85.634'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie'
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         'Unless The Lord The House Shall Build'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Welcome Wagon'
'TPUB' (Publisher)                                  'Asthmatic Kitty'
'TRCK' (Track number/Position in set)               '3'
'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:discogstags'                                  ['rock', 'acoustic', 'folk']
'TXXX:lastfmtags'                                   ['indie', 'christian', 'alt country', 'alternative gospel', 'folk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.55 dB'
'TXXX:replaygain_track_peak'                        '0.674882'
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3N16Q169165603V18932C68DBF4E45CF168C19936DDDF83B4P7\x00')

========================== row from database ==========================
                                              'id'  1278845
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Welcome Wagon/Welcome To The Welcome Wagon/03 unless the lord the house shall b.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  105
                                           'genre'  ifs-songwriter-indie
                                        'filesize'  4261770
                                           'mtime'  1637330516
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 03 unless the lord the house shall b ifs songwriter indie
                                      'tag_artist'  The Welcome Wagon
                                     'tag_release'  Welcome To The Welcome Wagon
                                       'tag_title'  Unless The Lord The House Shall Build
                                             'bpm'  85.634
                                    'search_title'  'build':6 'house':4 'lord':3 'shall':5 'the':2 'unless':1
                                   'search_artist'  'the':1 'wagon':3 'welcome':2
                                  'search_release'  'the':3 'to':2 'wagon':4 'welcome':1
                                     'search_rest'  '00singer':1 'b':9 'eos':3 'house':7 'ifs':10 'indie':11 'lord':6 'shall':8 'songwriter':2 'the':5 'unless':4
                                    'search_combo'  '00singer':14 'b':22 'build':6A 'eos':16 'house':4A,20 'ifs':23 'indie':24 'lord':3A,19 'shall':5A,21 'songwriter':15 'the':2A,7B,12C,18 'to':11C 'unless':1A,17 'wagon':9B,13C 'welcome':8B,10C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'christian', 'alt country', 'alternative gospel', 'folk']
                                        'tag_date'  2008
                                     'discogstags'  ['rock', 'acoustic', 'folk']

============================== file details ==============================
                                           'mtime'  1637330516.0377803  (2021-11-19 15:01:56)
                             'size'  4261770