======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '236'
                                          'artist'  'Traffic Signs'
                                     'text_people'  ''
                                         'release'  'Solid Sounds 2004 Volume 1 CD1'
                                           'title'  'The Big Fake'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['electronica', 'house', 'electro', 'tech house', 'minimal']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '130.0'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:Cover Image'                                  type PictureType.COVER_FRONT (Cover (front)) b'Cover Image'
                                     
'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 \x001\x004\x008\x006\x005\x008\x002\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x008\x000\x003\x002\x002\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x005\x004\x007\x002\x000\x005\x007\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x001\x004\x008\x006\x005\x008\x002\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x008\x000\x003\x002\x002\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x005\x004\x007\x002\x000\x005\x007\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:@¤_\x05*ÿWJ²\x16OØHt\x10|'  PRIV(owner='WM/WMCollectionGroupID', data=b'@\xa4_\x05*\xffWJ\xb2\x16O\xd8Ht\x10|')
'PRIV:WM/WMCollectionID:@¤_\x05*ÿWJ²\x16OØHt\x10|'  PRIV(owner='WM/WMCollectionID', data=b'@\xa4_\x05*\xffWJ\xb2\x16O\xd8Ht\x10|')
"PRIV:WM/WMContentID:ïª×þ§'\x1dG\x9cE\x10ñR \x95§"  PRIV(owner='WM/WMContentID', data=b"\xef\xaa\xd7\xfe\xa7'\x1dG\x9cE\x10\xf1R \x95\xa7")
'TALB' (Album/Movie/Show title)                     'Solid Sounds 2004 Volume 1 CD1'
'TBPM' (BPM (beats per minute))                     '130.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'The Big Fake'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Traffic Signs'
'TPE2' (Band/orchestra/accompaniment)               'Traffic Signs'
'TPUB' (Publisher)                                  'Traffic Signs'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'house', 'electro', 'tech house', 'minimal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.09 dB'
'TXXX:replaygain_track_peak'                        '0.583305'

========================== row from database ==========================
                                              'id'  1343909
                                            'path'  /data/Music/Bulk/00poprockelectronic/Lanig/03. Traffic Signs - The Big Fake.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  236
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  5691804
                                           'mtime'  1621085250
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Lanig 03. electronic th techno minimal or deephouse
                                      'tag_artist'  Traffic Signs
                                     'tag_release'  Solid Sounds 2004 Volume 1 CD1
                                       'tag_title'  The Big Fake
                                             'bpm'  130.0
                                    'search_title'  'big':2 'fake':3 'the':1
                                   'search_artist'  'signs':2 'traffic':1
                                  'search_release'  '1':5 '2004':3 'cd1':6 'solid':1 'sounds':2 'volume':4
                                     'search_rest'  '00poprockelectronic':1 '03':3,4 'deephouse':10 'electronic':5 'lanig':2 'minimal':8 'or':9 'techno':7 'th':6
                                    'search_combo'  '00poprockelectronic':12 '03':14,15 '1':10C '2004':8C 'big':2A 'cd1':11C 'deephouse':21 'electronic':16 'fake':3A 'lanig':13 'minimal':19 'or':20 'signs':5B 'solid':6C 'sounds':7C 'techno':18 'th':17 'the':1A 'traffic':4B 'volume':9C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'house', 'electro', 'tech house', 'minimal']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621085250.0411692  (2021-05-15 15:27:30)
                             'size'  5691804