======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '327'
                                          'artist'  'Billy Joel'
                                     'text_people'  'Billy Joel'
                                         'release'  'Greatest Hits, Vol.1 & 2 (CD2)'
                                           'title'  'The Night Is Still Young'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'singer songwriter', 'piano', 'pop', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '109.9'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Greatest Hits, Vol.1 & 2 (CD2)'
'TBPM' (BPM (beats per minute))                     '109.9'
'TCOM' (Composer)                                   'Billy Joel'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1985'
'TENC' (Encoded by)                                 'iTunes v7.4.3.1, QuickTime 7.2'
'TIT2' (Title/songname/content description)         'The Night Is Still Young'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Billy Joel'
'TPE2' (Band/orchestra/accompaniment)               'Billy Joel'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Compilation'                                  '0'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:iTunNORM'                                     (' 0000077F 0000072E 000041F3 00003AAE 0003C531 0003ECD0 00008000 00008000 '
 '00015568 00019926')
'TXXX:iTunSMPB'                                     (' 00000000 00000840 000003C0 0000000000DC6800 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TXXX:lastfmtags'                                   ['rock', 'singer songwriter', 'piano', 'pop', 'classic rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.46 dB'
'TXXX:replaygain_track_peak'                        '0.512136'

========================== row from database ==========================
                                              'id'  1353528
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/314 Billy Joel - The Night Is Still Young.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  327
                                           'genre'  rock-unsorted
                                        'filesize'  13104088
                                           'mtime'  1676052949
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 314 rock unsorted
                                      'tag_artist'  Billy Joel
                                     'tag_release'  Greatest Hits, Vol.1 & 2 (CD2)
                                       'tag_title'  The Night Is Still Young
                                             'bpm'  109.9
                                    'search_title'  'is':3 'night':2 'still':4 'the':1 'young':5
                                   'search_artist'  'billy':1 'joel':2
                                  'search_release'  '1':5 '2':7 'cd2':8,9 'greatest':1 'hits':2,3 'vol':4 'vol1':6
                                     'search_rest'  '00poprockelectronic':1 '1985':2 '314':4 'complete':3 'rock':5 'unsorted':6
                                    'search_combo'  '00poprockelectronic':17 '1':12C '1985':18 '2':14C '314':20 'billy':6B 'cd2':15C,16C 'complete':19 'greatest':8C 'hits':9C,10C 'is':3A 'joel':7B 'night':2A 'rock':21 'still':4A 'the':1A 'unsorted':22 'vol':11C 'vol1':13C 'young':5A
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']
                                      'lastfmtags'  ['rock', 'singer songwriter', 'piano', 'pop', 'classic rock']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676052948.963395  (2023-02-10 19:15:48)
                             'size'  13104088