======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '195'
                                          'artist'  'Jack Pleasants'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  "I'm 21 Today"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['music hall', '1911', 'schellack schatz', '1900s', 'peelenium']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1911'
                                        'comments'  ''
                                           'genre'  'prerock-musichall'
                                             'bpm'  '114.7'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '114.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-musichall'
'TDRC' (Recording time)                             '1911'
'TIT2' (Title/songname/content description)         "I'm 21 Today"
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '195000'
'TPE1' (Lead performer(s)/Soloist(s))               'Jack Pleasants'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'pop'
'TXXX:lastfmtags'                                   ['music hall', '1911', 'schellack schatz', '1900s', 'peelenium']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.18 dB'
'TXXX:replaygain_track_peak'                        '0.545500'

========================== row from database ==========================
                                              'id'  1502770
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1911/Jack Pleasants - I_m 21 Today 1911.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  195
                                           'genre'  prerock-musichall
                                        'filesize'  3974830
                                           'mtime'  1639428404
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1911 I_m 1911 prerock musichall
                                      'tag_artist'  Jack Pleasants
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  I'm 21 Today
                                             'bpm'  114.7
                                    'search_title'  '21':4 'i':1 'im':3 'm':2 'today':5
                                   'search_artist'  'jack':1 'pleasants':2
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '00oldiepop':5 '1911':6 'country':4 'exotica':2 'i':7 'jazz':1 'm':8 'musichall':10 'oldies':3 'prerock':9
                                    'search_combo'  '00oldiepop':17 '1911':18 '21':4A 'album':9C 'country':16 'exotica':14 'i':1A,19 'im':3A 'jack':6B 'jazz':13 'm':2A,20 'musichall':22 'non':8C 'nonalbum':10C 'oldies':15 'pleasants':7B 'prerock':21 'today':5A 'tracks':11C,12C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['music hall', '1911', 'schellack schatz', '1900s', 'peelenium']
                                        'tag_date'  1911
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1639428403.5951293  (2021-12-13 21:46:43)
                             'size'  3974830