======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '233'
                                          'artist'  'David Bowie'
                                     'text_people'  ''
                                         'release'  'Aladdin Sane'
                                           'title'  'Lady Grinning Soul'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'Q-PLAY-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-vocals-3', 'q-mixbeat-2', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['classic rock', '80s', 'alternative', 'rock', 'glam rock']"
                                     'discogstags'  "['rock', 'glam']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '14'
                                            'date'  '1973'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos;set-pl-sced'
                                             'bpm'  '94'
                                             'key'  '4A'
                                        'acoustid'  '170b9185-3d9b-42d6-8d05-19930b57f082'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000351 00000354 00000E12'
'COMM:iTunNORM:eng'                                 (' 00000351 00000354 00000E12 00000C9D 00015FA7 00030D57 00004AF7 0000427E '
 '00013880 00030D57')
'TALB' (Album/Movie/Show title)                     'Aladdin Sane'
'TBPM' (BPM (beats per minute))                     '94'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-eos', 'set-pl-sced']
'TDOR' (Original release time)                      '1973'
'TDRC' (Recording time)                             '1973'
'TIT2' (Title/songname/content description)         'Lady Grinning Soul'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'David Bowie'
'TPE2' (Band/orchestra/accompaniment)               'David Bowie'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '10/14'
'TSO2'                                              'Bowie, David'
'TSOP' (Performer sort order)                       'Bowie, David'
'TSRC' (ISRC (international standard recording code))  'USJT10300121/USJT11300010/USJT19900051'
'TXXX:Acoustid Id'                                  '170b9185-3d9b-42d6-8d05-19930b57f082'
'TXXX:Artists'                                      'David Bowie'
'TXXX:MusicBrainz Album Artist Id'                  '5441c29d-3602-4898-b1a1-b77fa23b8e50'
'TXXX:MusicBrainz Album Id'                         '8a99e39e-2b80-4fb7-a30f-b53bdf965997'
'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5441c29d-3602-4898-b1a1-b77fa23b8e50'
'TXXX:MusicBrainz Release Group Id'                 '50f8710f-3ae6-319b-85a7-afe783f13449'
'TXXX:MusicBrainz Release Track Id'                 '025113a7-69b3-347b-b3fc-291a0d928322'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'glam']
'TXXX:lastfmtags'                                   ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
'TXXX:originalyear'                                 '1973'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.71 dB'
'TXXX:replaygain_track_peak'                        '0.574525'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c6778195-9de8-4281-bfba-d529deb3d687')
'USLT::XXX'                                         ("She'll come, she'll go.\n"
 "She'll lay belief on you\n"
 'Skin sweet with musky odour\n'
 'The lady from another grinning soul\n'
 '\n'
 "Cologne she'll wear.\n"
 'Silver and americard\n'
 "She'll drive a beetle car\n"
 'And beat you down at cool canasta\n'
 '\n'
 'And when the clothes are strewn\n'
 "Don't be afraid of the room\n"
 'Touch the fullness of her breast.\n'
 'Feel the love of her caress\n'
 'She will be your living end\n'
 '\n'
 "She'll come, she'll go.\n"
 "She'll lay belief on you\n"
 "But she won't stake her life on you\n"
 'How can life become her point of view\n'
 '\n'
 'And when the clothes are strewn\n'
 "Don't be afraid of the room\n"
 'Touch the fullness of her breast.\n'
 'Feel the love of her caress\n'
 'She will be your living end\n'
 '\n'
 'She will be your living end\n'
 'She will be your living end\n'
 'She will be your living end\n'
 'She will be your living end')

========================== row from database ==========================
                                              'id'  304223
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/David Bowie/[1973] Aladdin Sane/10 Lady Grinning Soul.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  233
                                           'genre'  ifs-songwriter-eos;set-pl-sced
                                        'filesize'  3793886
                                           'mtime'  1636400835
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos [1973] 10 ifs songwriter eos;set pl sced
                                      'tag_artist'  David Bowie
                                     'tag_release'  Aladdin Sane
                                       'tag_title'  Lady Grinning Soul
                                             'bpm'  94.0
                                    'search_title'  'grinning':2 'lady':1 'soul':3
                                   'search_artist'  'bowie':2 'david':1
                                  'search_release'  'aladdin':1 'sane':2
                                     'search_rest'  '00singer':1 '1973':4,5 'eos':3,7,9 'ifs':6 'pl':11 'sced':12 'set':8,10 'songwriter':2
                                    'search_combo'  '00singer':8 '1973':11,12 'aladdin':6C 'bowie':5B 'david':4B 'eos':10,14,16 'grinning':2A 'ifs':13 'lady':1A 'pl':18 'sane':7C 'sced':19 'set':15,17 'songwriter':9 'soul':3A
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'Q-PIANO-2', 'q-mixbeat-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
                                        'tag_date'  1973
                                     'discogstags'  ['rock', 'glam']

============================== file details ==============================
                                           'mtime'  1636400834.7373717  (2021-11-08 20:47:14)
                             'size'  3793886