======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '235'
                                          'artist'  'The Slackers'
                                     'text_people'  'Ruggiero'
                                         'release'  'Wasted Days'
                                           'title'  'Easy'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'traditional ska', 'ska', 'rocksteady']"
                                     'discogstags'  "['reggae', 'reggae', 'ska', 'boogaloo', 'rocksteady']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska'
                                             'bpm'  '135.274'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'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 \x005\x002\x000\x001\x009\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x000\x006\x005\x009\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x004\x005\x004\x002\x007\x007\x005\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x005\x002\x000\x001\x009\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x000\x006\x005\x009\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x004\x005\x004\x002\x007\x007\x005\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:Û[Æ4A±\x97H²ãá¬Ó«¹Õ'   PRIV(owner='WM/WMCollectionGroupID', data=b'\xdb[\xc64A\xb1\x97H\xb2\xe3\xe1\xac\xd3\xab\xb9\xd5')
'PRIV:WM/WMCollectionID:Û[Æ4A±\x97H²ãá¬Ó«¹Õ'        PRIV(owner='WM/WMCollectionID', data=b'\xdb[\xc64A\xb1\x97H\xb2\xe3\xe1\xac\xd3\xab\xb9\xd5')
'PRIV:WM/WMContentID:þû\\\x03/ÒyF¹Eú»/=\x08¬'       PRIV(owner='WM/WMContentID', data=b'\xfe\xfb\\\x03/\xd2yF\xb9E\xfa\xbb/=\x08\xac')
'TALB' (Album/Movie/Show title)                     'Wasted Days'
'TBPM' (BPM (beats per minute))                     '135.274'
'TCOM' (Composer)                                   'Ruggiero'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-ska'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Easy'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Slackers'
'TPE2' (Band/orchestra/accompaniment)               'The Slackers'
'TPUB' (Publisher)                                  'Epitaph'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['reggae', 'reggae', 'ska', 'boogaloo', 'rocksteady']
'TXXX:lastfmtags'                                   ['reggae', 'traditional ska', 'ska', 'rocksteady']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.28 dB'
'TXXX:replaygain_track_peak'                        '0.410471'

========================== row from database ==========================
                                              'id'  1385320
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/The Slackers/Wasted Days/13 - Slackers - Easy.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  235
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska
                                        'filesize'  4716043
                                           'mtime'  1620522508
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub 13 loc style reggae or dub or ska or dancehall ska
                                      'tag_artist'  The Slackers
                                     'tag_release'  Wasted Days
                                       'tag_title'  Easy
                                             'bpm'  135.274
                                    'search_title'  'easy':1
                                   'search_artist'  'slackers':2 'the':1
                                  'search_release'  'days':2 'wasted':1
                                     'search_rest'  '00reggae':1 'dancehall':8 'dub':2 'loc':3 'or':6 'reggae':5 'ska':7 'style':4
                                    'search_combo'  '00reggae':6 'dancehall':13 'days':5C 'dub':7 'easy':1A 'loc':8 'or':11 'reggae':10 'ska':12 'slackers':3B 'style':9 'the':2B 'wasted':4C
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'traditional ska', 'ska', 'rocksteady']
                                        'tag_date'  2001
                                     'discogstags'  ['reggae', 'reggae', 'ska', 'boogaloo', 'rocksteady']

============================== file details ==============================
                                           'mtime'  1620522507.9398055  (2021-05-09 03:08:27)
                             'size'  4716043