======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '330'
                                          'artist'  'Kashmir'
                                     'text_people'  ''
                                         'release'  'Travelogue'
                                           'title'  'Leather Crane'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'danish', 'indie rock', 'indie', 'rock', 'alternative']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '142.008'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:AverageLevel:{!\x00\x00'                      PRIV(owner='AverageLevel', data=b'{!\x00\x00')
'PRIV:PeakValue:!\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'!\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 \x006\x007\x009\x004\x008\x005\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x006\x003\x008\x003\x000\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x007\x008\x004\x008\x004\x001\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x007\x009\x004\x008\x005\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x006\x003\x008\x003\x000\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x007\x008\x004\x008\x004\x001\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:µ@#\x971\x12ÒE®\x1a\x12\x94\x8dn\x89P'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xb5@#\x971\x12\xd2E\xae\x1a\x12\x94\x8dn\x89P')
'PRIV:WM/WMCollectionID:µ@#\x971\x12ÒE®\x1a\x12\x94\x8dn\x89P'  PRIV(owner='WM/WMCollectionID', data=b'\xb5@#\x971\x12\xd2E\xae\x1a\x12\x94\x8dn\x89P')
'PRIV:WM/WMContentID:+ùjÿ\x9d\x06\x8aO²½Q:gû°\x18'  PRIV(owner='WM/WMContentID', data=b'+\xf9j\xff\x9d\x06\x8aO\xb2\xbdQ:g\xfb\xb0\x18')
'TALB' (Album/Movie/Show title)                     'Travelogue'
'TBPM' (BPM (beats per minute))                     '142.008'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Leather Crane'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '331173'
'TPE1' (Lead performer(s)/Soloist(s))               'Kashmir'
'TPE2' (Band/orchestra/accompaniment)               'Kashmir'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['alternative rock', 'danish', 'indie rock', 'indie', 'rock', 'alternative']
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.82 dB'
'TXXX:replaygain_track_peak'                        '0.578427'

========================== row from database ==========================
                                              'id'  1265254
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Kashmir/Travelogue/04 Leather Crane.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  330
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  13239140
                                           'mtime'  1621697529
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 04 ifs songwriter indie rock
                                      'tag_artist'  Kashmir
                                     'tag_release'  Travelogue
                                       'tag_title'  Leather Crane
                                             'bpm'  142.008
                                    'search_title'  'crane':2 'leather':1
                                   'search_artist'  'kashmir':1
                                  'search_release'  'travelogue':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'indie':5 'rock':6 'songwriter':2
                                    'search_combo'  '00singer':5 'crane':2A 'eos':7 'ifs':8 'indie':9 'kashmir':3B 'leather':1A 'rock':10 'songwriter':6 'travelogue':4C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'danish', 'indie rock', 'indie', 'rock', 'alternative']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697528.9727032  (2021-05-22 17:32:08)
                             'size'  13239140