======================== unified (from filesystem) ========================
                                         'bitrate'  '170.96'
                                        'duration'  '1795'
                                          'artist'  'Shirley & Spinoza'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'ROGC: Sounds of Xinjiang: Folk & Muqam - 2'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-2', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['eclectic', 'collage music', 'tape music', 'avant garde', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '8000'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza'
                                             'bpm'  '121.191'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '121.191'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-shirleyspinoza'
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'Fission'
'TIT2' (Title/songname/content description)         'ROGC: Sounds of Xinjiang: Folk & Muqam - 2'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Shirley & Spinoza'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '4/8000'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['eclectic', 'collage music', 'tape music', 'avant garde', 'oldies']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.42 dB'
'TXXX:replaygain_track_peak'                        '0.979785'

========================== row from database ==========================
                                              'id'  986785
                                            'path'  /data/Music/Bulk/sns/SNSarchive/ROGC_SoundsOfXinjiang_004_FolkAndMuqam.mp3
                                         'working'  None
                                         'bitrate'  171
                                    'duration_sec'  1795
                                           'genre'  set-pl-shirleyspinoza
                                        'filesize'  38377316
                                           'mtime'  1678928733
                                   'redo_metaread'  0
                                        'rest_str'   sns SNSarchive ROGC_SoundsOfXinjiang_004_FolkAndMuqam set pl shirleyspinoza
                                      'tag_artist'  Shirley & Spinoza
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  ROGC: Sounds of Xinjiang: Folk & Muqam - 2
                                             'bpm'  121.191
                                    'search_title'  '2':9 'folk':7 'muqam':8 'of':4 'rogc':1,2 'sounds':3 'xinjiang':5,6
                                   'search_artist'  'shirley':1 'spinoza':2
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  '004':5,14 'and':16 'folk':15 'folkandmuqam':6 'muqam':17 'of':12 'pl':8 'rogc':3,10 'set':7 'shirleyspinoza':9 'sns':1 'snsarchive':2 'sounds':11 'soundsofxinjiang':4 'xinjiang':13
                                    'search_combo'  '004':18,27 '2':9A 'and':29 'folk':7A,28 'folkandmuqam':19 'muqam':8A,30 'of':4A,25 'pl':21 'rogc':1A,2A,16,23 'set':20 'shirley':10B,12C 'shirleyspinoza':22 'sns':14 'snsarchive':15 'sounds':3A,24 'soundsofxinjiang':17 'spinoza':11B,13C 'xinjiang':5A,6A,26
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HAP-2', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['eclectic', 'collage music', 'tape music', 'avant garde', 'oldies']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678928733.4271061  (2023-03-16 02:05:33)
                             'size'  38377316