======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '546'
                                          'artist'  'Dizzy Gillespie/Roy Eldridge'
                                     'text_people'  'Lorenz Hart/Richard Rodgers'
                                         'release'  'radio jazz 13'
                                           'title'  'Blue Moon'
                                           'quals'  ("['Q-HAP-3', 'Q-SYN-1', 'Q-UNU-1', 'Q-BUSY-3', 'Q-GRIT-1', 'Q-PLAY-2', "
 "'q-bass-4', 'Q-CHART-2', 'Q-JZFKS-2', 'Q-OLDST-2', 'q-drums-2', 'q-other-4', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['jazz', 'bebop', 'trumpet', 'funk', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1954'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '111.7'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:AverageLevel:ß\x08\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xdf\x08\x00\x00')
'PRIV:PeakValue:3L\x00\x00'                         PRIV(owner='PeakValue', data=b'3L\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 \x001\x005\x003\x008\x007\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x006\x004\x004\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x006\x003\x009\x008\x000\x001\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x001\x005\x003\x008\x007\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x006\x004\x004\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x006\x003\x009\x008\x000\x001\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x90I\x89´\x01JZM¢Ô\x13¸¬\x1d\x83Õ'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x90I\x89\xb4\x01JZM\xa2\xd4\x13\xb8\xac\x1d\x83\xd5')
'PRIV:WM/WMCollectionID:\x90I\x89´\x01JZM¢Ô\x13¸¬\x1d\x83Õ'  PRIV(owner='WM/WMCollectionID', data=b'\x90I\x89\xb4\x01JZM\xa2\xd4\x13\xb8\xac\x1d\x83\xd5')
'PRIV:WM/WMContentID:jÒK8mr\x17E®Ùà\x13xé6\x9d'     PRIV(owner='WM/WMContentID', data=b'j\xd2K8mr\x17E\xae\xd9\xe0\x13x\xe96\x9d')
'TALB' (Album/Movie/Show title)                     'radio jazz 13'
'TBPM' (BPM (beats per minute))                     '111.7'
'TCOM' (Composer)                                   'Lorenz Hart/Richard Rodgers'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1954'
'TIT2' (Title/songname/content description)         'Blue Moon'
'TKEY' (Initial key)                                '7B'
'TLEN' (Length)                                     '546666'
'TPE1' (Lead performer(s)/Soloist(s))               'Dizzy Gillespie/Roy Eldridge'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Verve'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'bebop', 'trumpet', 'funk', 'soul']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.02 dB'
'TXXX:replaygain_track_peak'                        '0.588866'

========================== row from database ==========================
                                              'id'  1482133
                                            'path'  /data/Music/Bulk/00poprockelectronic/radio jazz 13/Roy Eldridge & Dizzy Gillespie - blue moon.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  546
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  21852140
                                           'mtime'  1620541533
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic & blue moon prerock jb unsorted
                                      'tag_artist'  Dizzy Gillespie/Roy Eldridge
                                     'tag_release'  radio jazz 13
                                       'tag_title'  Blue Moon
                                             'bpm'  111.7
                                    'search_title'  'blue':1 'moon':2
                                   'search_artist'  'dizzy':1 'eldridge':5 'gillespie':2 'gillespieroy':4 'roy':3
                                  'search_release'  'jazz':2 'radio':1
                                     'search_rest'  '00poprockelectronic':1 'blue':2 'jb':5 'moon':3 'prerock':4 'unsorted':6
                                    'search_combo'  '00poprockelectronic':10 'blue':1A,11 'dizzy':3B 'eldridge':7B 'gillespie':4B 'gillespieroy':6B 'jazz':9C 'jb':14 'moon':2A,12 'prerock':13 'radio':8C 'roy':5B 'unsorted':15
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  ['jazz', 'bebop', 'trumpet', 'funk', 'soul']
                                        'tag_date'  1954
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620541532.5037298  (2021-05-09 08:25:32)
                             'size'  21852140