======================== unified (from filesystem) ========================
                                         'bitrate'  '252.075'
                                        'duration'  '482'
                                          'artist'  'James Holden'
                                     'text_people'  'Petter Nordkvist'
                                         'release'  'James Holden - Balance 005'
                                           'title'  'These Days (Instrumental)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['progressive house', 'trance', 'techno', 'electronic', 'minimal']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '127.0'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'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 \x006\x006\x008\x008\x006\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x004\x006\x000\x008\x009\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x008\x002\x002\x005\x007\x000\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x006\x008\x008\x006\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x004\x006\x000\x008\x009\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x008\x002\x002\x005\x007\x000\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x0e(÷è\xa0\x17\x99O«±Ò6ôVR\x05'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x0e(\xf7\xe8\xa0\x17\x99O\xab\xb1\xd26\xf4VR\x05')
'PRIV:WM/WMCollectionID:\x0e(÷è\xa0\x17\x99O«±Ò6ôVR\x05'  PRIV(owner='WM/WMCollectionID', data=b'\x0e(\xf7\xe8\xa0\x17\x99O\xab\xb1\xd26\xf4VR\x05')
'PRIV:WM/WMContentID:Ý+\x90\x887S²A«\x89[Ë\x18ä\x0e³'  PRIV(owner='WM/WMContentID', data=b'\xdd+\x90\x887S\xb2A\xab\x89[\xcb\x18\xe4\x0e\xb3')
'TALB' (Album/Movie/Show title)                     'James Holden - Balance 005'
'TBPM' (BPM (beats per minute))                     '127.0'
'TCOM' (Composer)                                   'Petter Nordkvist'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'These Days (Instrumental)'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Petter'
'TPE2' (Band/orchestra/accompaniment)               'James Holden'
'TPUB' (Publisher)                                  'EQ'
'TRCK' (Track number/Position in set)               '15'
'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'                                   ['progressive house', 'trance', 'techno', 'electronic', 'minimal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.91 dB'
'TXXX:replaygain_track_peak'                        '0.533149'

========================== row from database ==========================
                                              'id'  1325195
                                            'path'  /data/Music/Bulk/00poprockelectronic/James Holden-Balance 005 - CD1/015-Petter-These_Days_(Instrumental).mp3
                                         'working'  None
                                         'bitrate'  252
                                    'duration_sec'  482
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  15214598
                                           'mtime'  1620570156
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic CD1 015 Petter These_Days_(Instrumental) electronic th techno minimal or deephouse
                                      'tag_artist'  James Holden
                                     'tag_release'  James Holden - Balance 005
                                       'tag_title'  These Days (Instrumental)
                                             'bpm'  127.0
                                    'search_title'  'days':2 'instrumental':3,4 'these':1
                                   'search_artist'  'holden':2 'james':1
                                  'search_release'  'balance':3 'holden':2 'james':1
                                     'search_rest'  '00poprockelectronic':1 'cd1':2 'days':5,8 'deephouse':15 'electronic':10 'instrumental':6,9 'minimal':13 'or':14 'petter':3 'techno':12 'th':11 'these':4,7
                                    'search_combo'  '00poprockelectronic':10 'balance':9C 'cd1':11 'days':2A,14,17 'deephouse':24 'electronic':19 'holden':6B,8C 'instrumental':3A,4A,15,18 'james':5B,7C 'minimal':22 'or':23 'petter':12 'techno':21 'th':20 'these':1A,13,16
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', '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-3', 'q-grit-2']
                                      'lastfmtags'  ['progressive house', 'trance', 'techno', 'electronic', 'minimal']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620570156.0957603  (2021-05-09 16:22:36)
                             'size'  15214598