======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '574'
                                          'artist'  'Da Hool'
                                     'text_people'  ''
                                         'release'  'Dark Techno'
                                           'title'  'Meet Her At The Loveparade'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['german', 'trance', 'dance', 'techno', 'house', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno;electronic-th-trance'
                                             'bpm'  '132.012'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'C\x00+\x00B\x006\x00+\x001\x008\x00F\x00B\x00+\x008\x001\x00B\x000\x00+\x001\x000\x00E\x000\x005\x00+\x001\x00B\x006\x005\x00C\x00+\x002\x002\x00F\x005\x003\x00+\x002\x00C\x004\x007\x00A\x00+\x003\x001\x00B\x006\x004\x00+\x003\x008\x008\x00B\x00F\x00+\x003\x00E\x00F\x007\x006\x00+\x004\x004\x00D\x00A\x00B\x00+\x004\x00B\x006\x006\x008\x00+\x005\x000\x00C\x005\x000\x00\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 \x003\x006\x000\x001\x003\x005\x00;\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x003\x006\x000\x001\x003\x005\x00;\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:,s[\x93^þ\x15N£\x8f\x98Y=A\\7'  PRIV(owner='WM/WMCollectionGroupID', data=b',s[\x93^\xfe\x15N\xa3\x8f\x98Y=A\\7')
'PRIV:WM/WMCollectionID:,s[\x93^þ\x15N£\x8f\x98Y=A\\7'  PRIV(owner='WM/WMCollectionID', data=b',s[\x93^\xfe\x15N\xa3\x8f\x98Y=A\\7')
'PRIV:WM/WMContentID:Ë8ø·Å\n¯N¡\x95\x80À¬l\x1dÛ'    PRIV(owner='WM/WMContentID', data=b'\xcb8\xf8\xb7\xc5\n\xafN\xa1\x95\x80\xc0\xacl\x1d\xdb')
'TALB' (Album/Movie/Show title)                     'Dark Techno'
'TBPM' (BPM (beats per minute))                     '132.012'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-th-techno', 'electronic-th-trance']
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Meet Her At The Loveparade'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '574600'
'TPE1' (Lead performer(s)/Soloist(s))               'Da Hool'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'BMG'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['german', 'trance', 'dance', 'techno', 'house', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.52 dB'
'TXXX:replaygain_track_peak'                        '0.449021'

========================== row from database ==========================
                                              'id'  1340182
                                            'path'  /data/Music/Bulk/00poprockelectronic/Dark - Techno/Da Hool - Meet Her At The Loveparade ss.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  574
                                           'genre'  electronic-th-techno;electronic-th-trance
                                        'filesize'  23008954
                                           'mtime'  1620568825
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic ss electronic th techno;electronic th trance
                                      'tag_artist'  Da Hool
                                     'tag_release'  Dark Techno
                                       'tag_title'  Meet Her At The Loveparade
                                             'bpm'  132.012
                                    'search_title'  'at':3 'her':2 'loveparade':5 'meet':1 'the':4
                                   'search_artist'  'da':1 'hool':2
                                  'search_release'  'dark':1 'techno':2
                                     'search_rest'  '00poprockelectronic':1 'electronic':3,6,8 'ss':2 'techno':5,7 'th':4 'trance':9
                                    'search_combo'  '00poprockelectronic':10 'at':3A 'da':6B 'dark':8C 'electronic':12,15,17 'her':2A 'hool':7B 'loveparade':5A 'meet':1A 'ss':11 'techno':9C,14,16 'th':13 'the':4A 'trance':18
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['german', 'trance', 'dance', 'techno', 'house', 'electronic']
                                        'tag_date'  1997
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620568824.5642314  (2021-05-09 16:00:24)
                             'size'  23008954