======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '158'
                                          'artist'  'Shocking Blue'
                                     'text_people'  'Robby VanLeeuwen'
                                         'release'  'Music for Maniacs'
                                           'title'  'Harley Davidson'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-3', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock', 'dutch', '70s', '60s', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '127.7'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunes_CDDB_IDs:eng'                          '24+7DAF1C9E7789F7FE817CA4379FA0B4D7+1330595'
'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\x003\x008\x008\x002\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x005\x004\x001\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x006\x003\x003\x000\x009\x008\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x003\x008\x008\x002\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x005\x004\x001\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x006\x003\x003\x000\x009\x008\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:À]`vAÝGN\x85ÿ\x1c}yü°<'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xc0]`vA\xddGN\x85\xff\x1c}y\xfc\xb0<')
'PRIV:WM/WMCollectionID:À]`vAÝGN\x85ÿ\x1c}yü°<'     PRIV(owner='WM/WMCollectionID', data=b'\xc0]`vA\xddGN\x85\xff\x1c}y\xfc\xb0<')
'PRIV:WM/WMContentID:tP\x04\x94\xad\x7f\x03B®çÊs+%=q'  PRIV(owner='WM/WMContentID', data=b'tP\x04\x94\xad\x7f\x03B\xae\xe7\xcas+%=q')
'PRIV:ZuneCollectionID:\x8cDr^\x1f«\x0cJ\x9b<\x15Þ\x07Ð\x91S'  PRIV(owner='ZuneCollectionID', data=b'\x8cDr^\x1f\xab\x0cJ\x9b<\x15\xde\x07\xd0\x91S')
'TALB' (Album/Movie/Show title)                     'Music for Maniacs'
'TBPM' (BPM (beats per minute))                     '127.7'
'TCOM' (Composer)                                   'Robby VanLeeuwen'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '1969'
'TENC' (Encoded by)                                 'iTunes v6.0.1'
'TIT2' (Title/songname/content description)         'Harley Davidson'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Shocking Blue'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Red Bullet'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['rock', 'dutch', '70s', '60s', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.78 dB'
'TXXX:replaygain_track_peak'                        '0.432908'

========================== row from database ==========================
                                              'id'  649437
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/Shocking_Blue_-_Harley_Davidson.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  158
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  4687998
                                           'mtime'  1636916409
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music maniacs Shocking_Blue_ _Harley_Davidson electronic experimental oddness
                                      'tag_artist'  Shocking Blue
                                     'tag_release'  Music for Maniacs
                                       'tag_title'  Harley Davidson
                                             'bpm'  127.7
                                    'search_title'  'davidson':2 'harley':1
                                   'search_artist'  'blue':2 'shocking':1
                                  'search_release'  'for':2 'maniacs':3 'music':1
                                     'search_rest'  'blue':4 'davidson':6 'electronic':7 'experimental':8 'harley':5 'maniacs':2 'music':1 'oddness':9 'shocking':3
                                    'search_combo'  'blue':4B,11 'davidson':2A,13 'electronic':14 'experimental':15 'for':6C 'harley':1A,12 'maniacs':7C,9 'music':5C,8 'oddness':16 'shocking':3B,10
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'dutch', '70s', '60s', 'classic rock']
                                        'tag_date'  1969
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916408.8761392  (2021-11-14 20:00:08)
                             'size'  4687998