======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '306'
                                          'artist'  'Skatebard'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  '5. the Party Trap (Sferro Remix)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-3']")
                                      'lastfmtags'  "['space disco', 'electronic', 'techno', 'electro', 'norwegian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '126.095'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000014C9 00001A39 000099F0 0000C4F3 00022514 0002CB34 000090F4 000091AD '
 '00036E5E 0000777D')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000008D0 0000000000CE5C20 00000000 00BB15E1 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TBPM' (BPM (beats per minute))                     '126.095'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TENC' (Encoded by)                                 'iTunes 10.1.1.4'
'TIT2' (Title/songname/content description)         '5. the Party Trap (Sferro Remix)'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Skatebard'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['space disco', 'electronic', 'techno', 'electro', 'norwegian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+19.35 dB'
'TXXX:replaygain_track_peak'                        '0.036562'

========================== row from database ==========================
                                              'id'  1336462
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/5. the Party Trap (Sferro Remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  306
                                           'genre'  electronic-unsorted
                                        'filesize'  13194391
                                           'mtime'  1620572688
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] electronic unsorted
                                      'tag_artist'  Skatebard
                                     'tag_release'  None
                                       'tag_title'  5. the Party Trap (Sferro Remix)
                                             'bpm'  126.095
                                    'search_title'  '5':1,2 'party':4 'remix':8,9 'sferro':6,7 'the':3 'trap':5
                                   'search_artist'  'skatebard':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'electronic':7 'files':5,6 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 '5':1A,2A 'electronic':17 'files':15,16 'loose':13,14 'party':4A 'remix':8A,9A 'sferro':6A,7A 'skatebard':10B 'the':3A 'trap':5A 'unsorted':12
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['space disco', 'electronic', 'techno', 'electro', 'norwegian']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572687.9986098  (2021-05-09 17:04:47)
                             'size'  13194391