======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '53'
                                          'artist'  'Iamnobodi'
                                     'text_people'  ''
                                         'release'  'Dearly Beloved'
                                           'title'  'Eternal Youth (Prelude)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', 'Q-JZFKS-2', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['beats', 'hip-hop', 'beat scene', 'instrumental', 'neo-soul']"
                                     'discogstags'  "['instrumental', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '79'
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism-chillhop'
                                             'bpm'  '99'
                                             'key'  ''
                                        'acoustid'  ''
rest: ''

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

'APIC:front cover'                                  type PictureType.COVER_FRONT (Cover (front)) b'front cover'
                                     
'TALB' (Album/Movie/Show title)                     'Dearly Beloved'
'TBPM' (BPM (beats per minute))                     '99'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism-chillhop'
'TDRC' (Recording time)                             '2014-05-23'
'TIT2' (Title/songname/content description)         'Eternal Youth (Prelude)'
'TLEN' (Length)                                     '53'
'TPE1' (Lead performer(s)/Soloist(s))               'Iamnobodi'
'TPE2' (Band/orchestra/accompaniment)               'Iamnobodi'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '12/79'
'TSRC' (ISRC (international standard recording code))  'DESY21400032'
'TXXX:BARCODE'                                      '4018939264666'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['instrumental', 'hip hop']
'TXXX:lastfmtags'                                   ['beats', 'hip-hop', 'beat scene', 'instrumental', 'neo-soul']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+28.92 dB'
'TXXX:replaygain_track_peak'                        '0.062769'

========================== row from database ==========================
                                              'id'  1336226
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00synthwave/lofi/lo fi chill/12 - Iamnobodi - Eternal Youth (Prelude).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  53
                                           'genre'  hip hop or rnb or rap or turntablism-chillhop
                                        'filesize'  2410473
                                           'mtime'  1620611405
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00synthwave lofi fi chill 12 hip hop or rnb or rap or turntablism chillhop
                                      'tag_artist'  Iamnobodi
                                     'tag_release'  Dearly Beloved
                                       'tag_title'  Eternal Youth (Prelude)
                                             'bpm'  99.0
                                    'search_title'  'eternal':1 'prelude':3,4 'youth':2
                                   'search_artist'  'iamnobodi':1
                                  'search_release'  'beloved':2 'dearly':1
                                     'search_rest'  '00poprockelectronic':1 '00synthwave':4 'chill':7 'chillhop':14 'disco':3 'fi':6 'hip':8 'hop':9 'lofi':5 'or':10 'rap':12 'rnb':11 'turntablism':13 'waves':2
                                    'search_combo'  '00poprockelectronic':8 '00synthwave':11 'beloved':7C 'chill':14 'chillhop':21 'dearly':6C 'disco':10 'eternal':1A 'fi':13 'hip':15 'hop':16 'iamnobodi':5B 'lofi':12 'or':17 'prelude':3A,4A 'rap':19 'rnb':18 'turntablism':20 'waves':9 'youth':2A
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['beats', 'hip-hop', 'beat scene', 'instrumental', 'neo-soul']
                                        'tag_date'  2014
                                     'discogstags'  ['instrumental', 'hip hop']

============================== file details ==============================
                                           'mtime'  1620611405.064965  (2021-05-10 03:50:05)
                             'size'  2410473