======================== unified (from filesystem) ========================
                                         'bitrate'  '228.802'
                                        'duration'  '171'
                                          'artist'  'The Mountain Goats'
                                     'text_people'  'John Darnielle'
                                         'release'  'All Hail West Texas'
                                           'title'  'Jenny'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']"
                                     'discogstags'  "['rock', 'folk rock', 'lo-fi', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie'
                                             'bpm'  '134.6'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'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\x006\x009\x005\x003\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x006\x009\x004\x009\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x002\x005\x007\x007\x003\x005\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x005\x006\x009\x005\x003\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x006\x009\x004\x009\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x002\x005\x007\x007\x003\x005\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:Ñq÷4ð\x04pBµ»!ènËò¤'   PRIV(owner='WM/WMCollectionGroupID', data=b'\xd1q\xf74\xf0\x04pB\xb5\xbb!\xe8n\xcb\xf2\xa4')
'PRIV:WM/WMCollectionID:Ñq÷4ð\x04pBµ»!ènËò¤'        PRIV(owner='WM/WMCollectionID', data=b'\xd1q\xf74\xf0\x04pB\xb5\xbb!\xe8n\xcb\xf2\xa4')
'PRIV:WM/WMContentID:z\x8aÔ\x99\x03À\x0eG\x9fÞ°À¬;â,'  PRIV(owner='WM/WMContentID', data=b'z\x8a\xd4\x99\x03\xc0\x0eG\x9f\xde\xb0\xc0\xac;\xe2,')
'TALB' (Album/Movie/Show title)                     'All Hail West Texas'
'TBPM' (BPM (beats per minute))                     '134.6'
'TCOM' (Composer)                                   'John Darnielle'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Jenny'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Mountain Goats'
'TPE2' (Band/orchestra/accompaniment)               'The Mountain Goats'
'TPUB' (Publisher)                                  'Emperor Jones'
'TRCK' (Track number/Position in set)               '4'
'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', 'folk rock', 'lo-fi', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.32 dB'
'TXXX:replaygain_track_peak'                        '0.499775'

========================== row from database ==========================
                                              'id'  1293243
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Mountain Goats/All Hail West Texas/04 jenny.mp3
                                         'working'  None
                                         'bitrate'  228
                                    'duration_sec'  171
                                           'genre'  ifs-songwriter-indie
                                        'filesize'  4898819
                                           'mtime'  1636400576
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 04 jenny ifs songwriter indie
                                      'tag_artist'  The Mountain Goats
                                     'tag_release'  All Hail West Texas
                                       'tag_title'  Jenny
                                             'bpm'  134.6
                                    'search_title'  'jenny':1
                                   'search_artist'  'goats':3 'mountain':2 'the':1
                                  'search_release'  'all':1 'hail':2 'texas':4 'west':3
                                     'search_rest'  '00poprockelectronic':1 'ifs':3 'indie':5 'jenny':2 'songwriter':4
                                    'search_combo'  '00poprockelectronic':9 'all':5C 'goats':4B 'hail':6C 'ifs':11 'indie':13 'jenny':1A,10 'mountain':3B 'songwriter':12 'texas':8C 'the':2B 'west':7C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']
                                        'tag_date'  2002
                                     'discogstags'  ['rock', 'folk rock', 'lo-fi', 'indie rock']

============================== file details ==============================
                                           'mtime'  1636400575.7047577  (2021-11-08 20:42:55)
                             'size'  4898819