======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '175'
                                          'artist'  'Frank Crumit'
                                     'text_people'  ''
                                         'release'  'Columbia  3375 (79644)'
                                           'title'  'Home Again Blues'
                                           '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-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['all', 'need to rate', 'comedy', 'folk', 'comedy song']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1921'
                                        'comments'  ''
                                           'genre'  'prerock-folk'
                                             'bpm'  '128.7'
                                             'key'  '4A'
                                        '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)                     'Columbia  3375 (79644)'
'TBPM' (BPM (beats per minute))                     '128.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-folk'
'TDRC' (Recording time)                             '1921-01-19'
'TIT2' (Title/songname/content description)         'Home Again Blues'
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '175000'
'TPE1' (Lead performer(s)/Soloist(s))               'Frank Crumit'
'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:lastfmtags'                                   ['all', 'need to rate', 'comedy', 'folk', 'comedy song']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.18 dB'
'TXXX:replaygain_track_peak'                        '0.838468'

========================== row from database ==========================
                                              'id'  1461396
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1921/Frank Crumit - Home Again Blues 19-1-1921.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  175
                                           'genre'  prerock-folk
                                        'filesize'  3561786
                                           'mtime'  1621705407
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1921 19 1 1921 prerock folk
                                      'tag_artist'  Frank Crumit
                                     'tag_release'  Columbia  3375 (79644)
                                       'tag_title'  Home Again Blues
                                             'bpm'  128.7
                                    'search_title'  'again':2 'blues':3 'home':1
                                   'search_artist'  'crumit':2 'frank':1
                                  'search_release'  '3375':2 '79644':3,4 'columbia':1
                                     'search_rest'  '00oldiepop':5 '1':8 '19':7 '1921':6 'country':4 'exotica':2 'folk':10 'jazz':1 'oldies':3 'prerock':9
                                    'search_combo'  '00oldiepop':14 '1':17 '19':16 '1921':15 '3375':7C '79644':8C,9C 'again':2A 'blues':3A 'columbia':6C 'country':13 'crumit':5B 'exotica':11 'folk':19 'frank':4B 'home':1A 'jazz':10 'oldies':12 'prerock':18
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  4A
                                           '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-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['all', 'need to rate', 'comedy', 'folk', 'comedy song']
                                        'tag_date'  1921
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705406.8943484  (2021-05-22 19:43:26)
                             'size'  3561786