======================== unified (from filesystem) ========================
                                         'bitrate'  '320.05'
                                        'duration'  '326'
                                          'artist'  'The Prodigy'
                                     'text_people'  'Liam Howlett/Pop Will Eat Itself'
                                         'release'  'Breathe'
                                           'title'  'Their Law - featuring PWEI'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['industrial', 'dance', 'techno', 'electronic', 'electronica']"
                                     'discogstags'  "['electronic', 'breakbeat', 'big beat']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-bigbeat'
                                             'bpm'  '118.984'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'4\x00+\x009\x006\x00+\x004\x007\x003\x003\x00+\x00A\x006\x00B\x00D\x00+\x001\x000\x003\x00A\x00D\x00+\x001\x005\x001\x00F\x003\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\x003\x004\x007\x001\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x002\x006\x008\x007\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x007\x006\x002\x008\x004\x003\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x003\x003\x004\x007\x001\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x002\x006\x008\x007\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x007\x006\x002\x008\x004\x003\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:UäØóó\x95\x9aG\x9c\x86cÀ¹ë\x13\x82'  PRIV(owner='WM/WMCollectionGroupID', data=b'U\xe4\xd8\xf3\xf3\x95\x9aG\x9c\x86c\xc0\xb9\xeb\x13\x82')
'PRIV:WM/WMCollectionID:UäØóó\x95\x9aG\x9c\x86cÀ¹ë\x13\x82'  PRIV(owner='WM/WMCollectionID', data=b'U\xe4\xd8\xf3\xf3\x95\x9aG\x9c\x86c\xc0\xb9\xeb\x13\x82')
'PRIV:WM/WMContentID:ä¼\x0f1Wm\x1c@\x94\x87vÈ\x0b\x0c\x11ñ'  PRIV(owner='WM/WMContentID', data=b'\xe4\xbc\x0f1Wm\x1c@\x94\x87v\xc8\x0b\x0c\x11\xf1')
'TALB' (Album/Movie/Show title)                     'Breathe'
'TBPM' (BPM (beats per minute))                     '118.984'
'TCOM' (Composer)                                   'Liam Howlett/Pop Will Eat Itself'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-bigbeat'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Their Law - featuring PWEI'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '326000'
'TPE1' (Lead performer(s)/Soloist(s))               'The Prodigy'
'TPE2' (Band/orchestra/accompaniment)               'The Prodigy'
'TPUB' (Publisher)                                  'XL Recordings'
'TRCK' (Track number/Position in set)               '2'
'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', 'breakbeat', 'big beat']
'TXXX:lastfmtags'                                   ['industrial', 'dance', 'techno', 'electronic', 'electronica']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.53 dB'
'TXXX:replaygain_track_peak'                        '0.325931'

========================== row from database ==========================
                                              'id'  1314028
                                            'path'  /data/Music/Bulk/00poprockelectronic/Prodigy/#singles/11. Breathe (1996)/02 - Their Law - featuring PWEI.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  326
                                           'genre'  electronic-generic or radio-bigbeat
                                        'filesize'  13049688
                                           'mtime'  1621696509
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic #singles 11. (1996) 02 electronic generic or radio bigbeat
                                      'tag_artist'  The Prodigy
                                     'tag_release'  Breathe
                                       'tag_title'  Their Law - featuring PWEI
                                             'bpm'  118.984
                                    'search_title'  'featuring':3 'law':2 'pwei':4 'their':1
                                   'search_artist'  'prodigy':2 'the':1
                                  'search_release'  'breathe':1
                                     'search_rest'  '00poprockelectronic':1 '11':4,5 '1996':6,7 'bigbeat':12 'electronic':8 'generic':9 'or':10 'radio':11 'singles':2,3
                                    'search_combo'  '00poprockelectronic':8 '11':11,12 '1996':13,14 'bigbeat':19 'breathe':7C 'electronic':15 'featuring':3A 'generic':16 'law':2A 'or':17 'prodigy':6B 'pwei':4A 'radio':18 'singles':9,10 'the':5B 'their':1A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'dance', 'techno', 'electronic', 'electronica']
                                        'tag_date'  1996
                                     'discogstags'  ['electronic', 'breakbeat', 'big beat']

============================== file details ==============================
                                           'mtime'  1621696509.1996317  (2021-05-22 17:15:09)
                             'size'  13049688