======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '137'
                                          'artist'  'J.C. Davis'
                                     'text_people'  ''
                                         'release'  'Music for Maniacs'
                                           'title'  'Monkey'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soul', 'funk', 'all', 'oldies', 'popcorn']"
                                     'discogstags'  "['funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '118.9'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunes_CDDB_TrackNumber:eng'                  '3'
'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 \x002\x005\x008\x008\x003\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x003\x008\x004\x004\x001\x004\x000\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x005\x008\x008\x003\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x003\x008\x004\x004\x001\x004\x000\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:Ò]Ó1Ú\x9f\x00I¾\x17?în´\x9b\x86'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xd2]\xd31\xda\x9f\x00I\xbe\x17?\xeen\xb4\x9b\x86')
'PRIV:WM/WMCollectionID:Ò]Ó1Ú\x9f\x00I¾\x17?în´\x9b\x86'  PRIV(owner='WM/WMCollectionID', data=b'\xd2]\xd31\xda\x9f\x00I\xbe\x17?\xeen\xb4\x9b\x86')
'PRIV:WM/WMContentID:ìµñ&¿£HH¿âND\x13ÓÚM'           PRIV(owner='WM/WMContentID', data=b'\xec\xb5\xf1&\xbf\xa3HH\xbf\xe2ND\x13\xd3\xdaM')
'TALB' (Album/Movie/Show title)                     'Music for Maniacs'
'TBPM' (BPM (beats per minute))                     '118.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '1997'
'TENC' (Encoded by)                                 'iTunes v4.8'
'TIT2' (Title/songname/content description)         'Monkey'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'J.C. Davis'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Crypt'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'funk / soul'
'TXXX:lastfmtags'                                   ['soul', 'funk', 'all', 'oldies', 'popcorn']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                        '+0.33 dB'
'TXXX:replaygain_track_peak'                        '0.391111'

========================== row from database ==========================
                                              'id'  649593
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/Monkey.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  137
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  3291071
                                           'mtime'  1636916375
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music maniacs electronic experimental oddness
                                      'tag_artist'  J.C. Davis
                                     'tag_release'  Music for Maniacs
                                       'tag_title'  Monkey
                                             'bpm'  118.9
                                    'search_title'  'monkey':1
                                   'search_artist'  'c':2 'davis':4 'j':1 'jc':3
                                  'search_release'  'for':2 'maniacs':3 'music':1
                                     'search_rest'  'electronic':3 'experimental':4 'maniacs':2 'music':1 'oddness':5
                                    'search_combo'  'c':3B 'davis':5B 'electronic':11 'experimental':12 'for':7C 'j':2B 'jc':4B 'maniacs':8C,10 'monkey':1A 'music':6C,9 'oddness':13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'funk', 'all', 'oldies', 'popcorn']
                                        'tag_date'  1997
                                     'discogstags'  ['funk / soul']

============================== file details ==============================
                                           'mtime'  1636916375.0045247  (2021-11-14 19:59:35)
                             'size'  3291071