======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '195'
                                          'artist'  'Machinefabriek'
                                     'text_people'  ''
                                         'release'  'Weleer'
                                           'title'  'Donderwolk'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['noise', 'electronic', 'drone', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '121.191'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'C\x00+\x009\x006\x00+\x001\x007\x009\x00B\x00+\x005\x001\x000\x007\x00+\x009\x00C\x000\x005\x00+\x00D\x00E\x003\x00A\x00+\x00F\x00E\x006\x000\x00+\x002\x005\x00F\x00F\x005\x00+\x002\x008\x00A\x001\x00E\x00+\x002\x00A\x00F\x00F\x000\x00+\x002\x00E\x00B\x002\x005\x00+\x003\x001\x003\x00A\x005\x00+\x003\x005\x00E\x007\x00F\x00+\x003\x00D\x008\x004\x00C\x00\x00\x00')
'PRIV:AverageLevel:{\x14\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x14\x00\x00')
'PRIV:PeakValue:!\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'!\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 \x001\x000\x005\x009\x006\x001\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x008\x004\x002\x003\x006\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x000\x003\x004\x008\x008\x000\x002\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x001\x000\x005\x009\x006\x001\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x008\x004\x002\x003\x006\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x000\x003\x004\x008\x008\x000\x002\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x80\x89«¥-Ý\x03H½Âo¯\x998Ê\x04'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x80\x89\xab\xa5-\xdd\x03H\xbd\xc2o\xaf\x998\xca\x04')
'PRIV:WM/WMCollectionID:[I:Ð\x8fEñN\x8b<ºä\x9eHQù'  PRIV(owner='WM/WMCollectionID', data=b'[I:\xd0\x8fE\xf1N\x8b<\xba\xe4\x9eHQ\xf9')
'PRIV:WM/WMContentID:þ¸ÏÃ\x88\x02èE\x87\x18Ý;S\x9eo]'  PRIV(owner='WM/WMContentID', data=b'\xfe\xb8\xcf\xc3\x88\x02\xe8E\x87\x18\xdd;S\x9eo]')
'TALB' (Album/Movie/Show title)                     'Weleer'
'TBPM' (BPM (beats per minute))                     '121.191'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Donderwolk'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '196000'
'TPE1' (Lead performer(s)/Soloist(s))               'Machinefabriek'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'experimental', 'ambient']
'TXXX:lastfmtags'                                   ['noise', 'electronic', 'drone', 'experimental', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.78 dB'
'TXXX:replaygain_track_peak'                        '0.414796'

========================== row from database ==========================
                                              'id'  1360750
                                            'path'  /data/Music/Bulk/00poprockelectronic/Machinefabriek/Weleer/12 - donderwolk.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  195
                                           'genre'  electronic-ambient
                                        'filesize'  7838332
                                           'mtime'  1636911168
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 12 donderwolk electronic ambient
                                      'tag_artist'  Machinefabriek
                                     'tag_release'  Weleer
                                       'tag_title'  Donderwolk
                                             'bpm'  121.191
                                    'search_title'  'donderwolk':1
                                   'search_artist'  'machinefabriek':1
                                  'search_release'  'weleer':1
                                     'search_rest'  '00poprockelectronic':1 'ambient':4 'donderwolk':2 'electronic':3
                                    'search_combo'  '00poprockelectronic':4 'ambient':7 'donderwolk':1A,5 'electronic':6 'machinefabriek':2B 'weleer':3C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['noise', 'electronic', 'drone', 'experimental', 'ambient']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic', 'experimental', 'ambient']

============================== file details ==============================
                                           'mtime'  1636911168.2364936  (2021-11-14 18:32:48)
                             'size'  7838332