======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '236'
                                          'artist'  '憂鬱 (YU-UTSU)'
                                     'text_people'  ''
                                         'release'  'Luigi Donetallo'
                                           'title'  'Prime (feat. Hello Meteor)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-we-synthwave or chillwave or retrowave'
                                             'bpm'  '90.1'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Luigi Donetallo'
'TBPM' (BPM (beats per minute))                     '90.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-synthwave or chillwave or retrowave'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Prime (feat. Hello Meteor)'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               '憂鬱 (YU-UTSU)'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.40.101'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.45 dB'
'TXXX:replaygain_track_peak'                        '0.567712'

========================== row from database ==========================
                                              'id'  1314137
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00synthwave/LuigiDonatello/憂鬱 (YU-UTSU) - Prime (feat. Hello Meteor).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  236
                                           'genre'  electronic-we-synthwave or chillwave or retrowave
                                        'filesize'  3799983
                                           'mtime'  1620645108
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00synthwave LuigiDonatello electronic we synthwave chillwave retrowave
                                      'tag_artist'  憂鬱 (YU-UTSU)
                                     'tag_release'  Luigi Donetallo
                                       'tag_title'  Prime (feat. Hello Meteor)
                                             'bpm'  90.1
                                    'search_title'  'feat':2,3 'hello':4 'meteor':5,6 'prime':1
                                   'search_artist'  'utsu':3 'yu':2 'yuutsu':4 '憂鬱':1
                                  'search_release'  'donetallo':2 'luigi':1
                                     'search_rest'  '00poprockelectronic':1 '00synthwave':4 'chillwave':9 'disco':3 'donatello':12 'electronic':6 'luigi':11 'luigidonatello':5 'retrowave':10 'synthwave':8 'waves':2 'we':7
                                    'search_combo'  '00poprockelectronic':13 '00synthwave':16 'chillwave':21 'disco':15 'donatello':24 'donetallo':12C 'electronic':18 'feat':2A,3A 'hello':4A 'luigi':11C,23 'luigidonatello':17 'meteor':5A,6A 'prime':1A 'retrowave':22 'synthwave':20 'utsu':9B 'waves':14 'we':19 'yu':8B 'yuutsu':10B '憂鬱':7B
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620645108.0698044  (2021-05-10 13:11:48)
                             'size'  3799983