======================== unified (from filesystem) ========================
                                         'bitrate'  '320.008'
                                        'duration'  '287'
                                          'artist'  'Carter Tutti'
                                     'text_people'  ''
                                         'release'  'Feral Vapours of the Silver Ether'
                                           'title'  'Lowlands'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['industrial', 'electronic', 'psychedelic', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '132.5'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=255)
'PRIV:AverageLevel:{\x06\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x06\x00\x00')
'PRIV:PeakValue:¡s\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1s\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')
'TALB' (Album/Movie/Show title)                     'Feral Vapours of the Silver Ether'
'TBPM' (BPM (beats per minute))                     '132.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Lowlands'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Carter Tutti'
'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'
'TXXX:lastfmtags'                                   ['industrial', 'electronic', 'psychedelic', 'experimental', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.69 dB'
'TXXX:replaygain_track_peak'                        '0.638752'

========================== row from database ==========================
                                              'id'  1371388
                                            'path'  /data/Music/Bulk/00poprockelectronic/00ambient/Carter Tutti - Feral Vapours Of The Silver Ether/02-carter_tutti-lowlands-1real.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  287
                                           'genre'  electronic-ambient
                                        'filesize'  11503829
                                           'mtime'  1636910568
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00ambient Of The 02 carter_tutti lowlands 1real electronic ambient
                                      'tag_artist'  Carter Tutti
                                     'tag_release'  Feral Vapours of the Silver Ether
                                       'tag_title'  Lowlands
                                             'bpm'  132.5
                                    'search_title'  'lowlands':1
                                   'search_artist'  'carter':1 'tutti':2
                                  'search_release'  'ether':6 'feral':1 'of':3 'silver':5 'the':4 'vapours':2
                                     'search_rest'  '00ambient':2 '00poprockelectronic':1 '1real':8 'ambient':10 'carter':5 'electronic':9 'lowlands':7 'of':3 'the':4 'tutti':6
                                    'search_combo'  '00ambient':11 '00poprockelectronic':10 '1real':17 'ambient':19 'carter':2B,14 'electronic':18 'ether':9C 'feral':4C 'lowlands':1A,16 'of':6C,12 'silver':8C 'the':7C,13 'tutti':3B,15 'vapours':5C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-1', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'electronic', 'psychedelic', 'experimental', 'ambient']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910568.485721  (2021-11-14 18:22:48)
                             'size'  11503829