======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '130'
                                          'artist'  'Larry Dean & The Lennon Sisters'
                                     'text_people'  ''
                                         'release'  'Rare Novelty  Vol. 3'
                                           'title'  'Bubble Gum'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '123.859'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            'None'
'COMM:MusicMatch_Preference:eng'                    'None'
'TALB' (Album/Movie/Show title)                     'Rare Novelty  Vol. 3'
'TBPM' (BPM (beats per minute))                     '123.859'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TIT2' (Title/songname/content description)         'Bubble Gum'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '131892'
'TPE1' (Lead performer(s)/Soloist(s))               'Larry Dean & The Lennon Sisters'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '05'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.86 dB'
'TXXX:replaygain_track_peak'                        '0.412963'

========================== row from database ==========================
                                              'id'  1358567
                                            'path'  /data/Music/Bulk/00poprockelectronic/novelty/3/05 Bubble Gum.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  130
                                           'genre'  set-th-novelty
                                        'filesize'  5338080
                                           'mtime'  1651570182
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic novelty 05 set th novelty
                                      'tag_artist'  Larry Dean & The Lennon Sisters
                                     'tag_release'  Rare Novelty  Vol. 3
                                       'tag_title'  Bubble Gum
                                             'bpm'  123.859
                                    'search_title'  'bubble':1 'gum':2
                                   'search_artist'  'dean':2 'larry':1 'lennon':4 'sisters':5 'the':3
                                  'search_release'  '3':5 'novelty':2 'rare':1 'vol':3,4
                                     'search_rest'  '00poprockelectronic':1 'novelty':2 'set':3 'th':4
                                    'search_combo'  '00poprockelectronic':13 '3':12C 'bubble':1A 'dean':4B 'gum':2A 'larry':3B 'lennon':6B 'novelty':9C,14 'rare':8C 'set':15 'sisters':7B 'th':16 'the':5B 'vol':10C,11C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HAP-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1651570182.2052426  (2022-05-03 11:29:42)
                             'size'  5338080