======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '277'
                                          'artist'  'Amanda Palmer'
                                     'text_people'  ''
                                         'release'  'Who Killed Amanda Palmer'
                                           'title'  'Astronaut: A Short History of Nearly Nothing'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'Q-PLAY-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-vocals-3', 'q-mixbeat-2', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  ("['punk cabaret', 'piano', 'female vocalists', 'alternative', 'singer "
 "songwriter']")
                                     'discogstags'  "['rock', 'pop', 'alternative rock', 'punk', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter;ifs-songwriter-eos'
                                             'bpm'  '105.258'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Who Killed Amanda Palmer'
'TBPM' (BPM (beats per minute))                     '105.258'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter', 'ifs-songwriter-eos']
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Astronaut: A Short History of Nearly Nothing'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Amanda Palmer'
'TRCK' (Track number/Position in set)               '01'
'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:discogstags'                                  ['rock', 'pop', 'alternative rock', 'punk', 'pop rock']
'TXXX:lastfmtags'                                   ['punk cabaret',
 'piano',
 'female vocalists',
 'alternative',
 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.19 dB'
'TXXX:replaygain_track_peak'                        '0.365731'

========================== row from database ==========================
                                              'id'  1362190
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Dresden Dolls & Amanda Palmer/[2008] Who Killed Amanda Palmer/01 - Amanda Palmer - Astronaut- A Short History of Nearly Nothing.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  277
                                           'genre'  ifs-songwriter;ifs-songwriter-eos
                                        'filesize'  11173081
                                           'mtime'  1636401364
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos Dresden Dolls & [2008] 01 ifs songwriter;ifs songwriter eos
                                      'tag_artist'  Amanda Palmer
                                     'tag_release'  Who Killed Amanda Palmer
                                       'tag_title'  Astronaut: A Short History of Nearly Nothing
                                             'bpm'  105.258
                                    'search_title'  'a':3 'astronaut':1,2 'history':5 'nearly':7 'nothing':8 'of':6 'short':4
                                   'search_artist'  'amanda':1 'palmer':2
                                  'search_release'  'amanda':3 'killed':2 'palmer':4 'who':1
                                     'search_rest'  '00singer':1 '00songwriter':4 '2008':7,8 'dolls':6 'dresden':5 'eos':3 'ifs':9,11,13 'songwriter':2,10,12
                                    'search_combo'  '00singer':15 '00songwriter':18 '2008':21,22 'a':3A 'amanda':9B,13C 'astronaut':1A,2A 'dolls':20 'dresden':19 'eos':17 'history':5A 'ifs':23,25,27 'killed':12C 'nearly':7A 'nothing':8A 'of':6A 'palmer':10B,14C 'short':4A 'songwriter':16,24,26 'who':11C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['punk cabaret', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
                                        'tag_date'  2008
                                     'discogstags'  ['rock', 'pop', 'alternative rock', 'punk', 'pop rock']

============================== file details ==============================
                                           'mtime'  1636401364.017857  (2021-11-08 20:56:04)
                             'size'  11173081