======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '202'
                                          'artist'  'King'
                                     'text_people'  'M. Roberts / P. King'
                                         'release'  'Steps in time'
                                           'title'  'Love & Pride'
                                           'quals'  ("['Q-HAP-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['death metal', 'british', 'new wave', 'pop', 'rock', '80s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'eid-unsorted'
                                             'bpm'  '83'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'APIC: '                                            type PictureType.OTHER_FILE_ICON (Other file icon) b' '
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x002\x00+\x009\x006\x00+\x005\x00C\x006\x005\x00+\x009\x007\x00D\x00D\x00+\x00D\x003\x009\x008\x00+\x001\x001\x00B\x007\x000\x00+\x001\x005\x001\x007\x001\x00+\x001\x009\x00A\x002\x008\x00+\x001\x00E\x005\x005\x000\x00+\x002\x002\x004\x00D\x007\x00+\x002\x006\x00D\x002\x00C\x00+\x002\x009\x009\x006\x00E\x00+\x002\x00D\x007\x000\x00D\x00+\x003\x001\x006\x006\x00E\x00+\x003\x004\x009\x00F\x009\x00+\x003\x007\x009\x000\x001\x00+\x003\x00B\x007\x00C\x00A\x00+\x004\x002\x00A\x007\x005\x00+\x004\x008\x00B\x005\x00C\x00+\x005\x001\x004\x00D\x002\x00\x00\x00')
'PRIV:AverageLevel:{\x15\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x15\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\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 \x00 \x004\x002\x002\x007\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x008\x006\x007\x004\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x005\x004\x006\x004\x002\x003\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x004\x002\x002\x007\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x008\x006\x007\x004\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x005\x004\x006\x004\x002\x003\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:I«$+ÞltG¢*º"èòz¿'      PRIV(owner='WM/WMCollectionGroupID', data=b'I\xab$+\xdeltG\xa2*\xba"\xe8\xf2z\xbf')
'PRIV:WM/WMCollectionID:I«$+ÞltG¢*º"èòz¿'           PRIV(owner='WM/WMCollectionID', data=b'I\xab$+\xdeltG\xa2*\xba"\xe8\xf2z\xbf')
'PRIV:WM/WMContentID:\x15\x99H*Ç®ÏL»Ìª¬¥1\x18¼'     PRIV(owner='WM/WMContentID', data=b'\x15\x99H*\xc7\xae\xcfL\xbb\xcc\xaa\xac\xa51\x18\xbc')
'TALB' (Album/Movie/Show title)                     'Steps in time'
'TBPM' (BPM (beats per minute))                     '83'
'TCOM' (Composer)                                   'M. Roberts / P. King'
'TCON' (Content type, a.k.a. Genre)                 'eid-unsorted'
'TDRC' (Recording time)                             '1985'
'TDRL' (Release time)                               '1984'
'TIT2' (Title/songname/content description)         'Love & Pride'
'TKEY' (Initial key)                                '10B'
'TLEN' (Length)                                     '202986'
'TPE1' (Lead performer(s)/Soloist(s))               'King'
'TPE2' (Band/orchestra/accompaniment)               'King'
'TPUB' (Publisher)                                  'Oglio Records'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['death metal', 'british', 'new wave', 'pop', 'rock', '80s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+6.67 dB'
'TXXX:replaygain_track_peak'                        '0.300425'

========================== row from database ==========================
                                              'id'  1326416
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/220-A King - Love & Pride (single version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  202
                                           'genre'  eid-unsorted
                                        'filesize'  8458827
                                           'mtime'  1620521160
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 220 A (single version) eid unsorted
                                      'tag_artist'  King
                                     'tag_release'  Steps in time
                                       'tag_title'  Love & Pride
                                             'bpm'  83.0
                                    'search_title'  'love':1 'pride':2
                                   'search_artist'  'king':1
                                  'search_release'  'in':2 'steps':1 'time':3
                                     'search_rest'  '00poprockelectronic':1 '1985':2 '220':4 'a':5 'complete':3 'eid':10 'single':6,7 'unsorted':11 'version':8,9
                                    'search_combo'  '00poprockelectronic':7 '1985':8 '220':10 'a':11 'complete':9 'eid':16 'in':5C 'king':3B 'love':1A 'pride':2A 'single':12,13 'steps':4C 'time':6C 'unsorted':17 'version':14,15
                                    'tag_tracknum'  2
                                      'num_images'  2
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['death metal', 'british', 'new wave', 'pop', 'rock', '80s']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620521160.3019743  (2021-05-09 02:46:00)
                             'size'  8458827