======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '192'
                                          'artist'  'Jack Buchanan'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Now That I've Found You (+ Elsie Randolph)"
                                           '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-3', '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'  "['old style', 'swing', 'oldies', 'uk', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1933'
                                        'comments'  ''
                                           'genre'  'prerock-instrumental'
                                             'bpm'  '140.7'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TBPM' (BPM (beats per minute))                     '140.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-instrumental'
'TDRC' (Recording time)                             '1933-10-04'
'TIT2' (Title/songname/content description)         "Now That I've Found You (+ Elsie Randolph)"
'TKEY' (Initial key)                                '6B'
'TLEN' (Length)                                     '192000'
'TPE1' (Lead performer(s)/Soloist(s))               'Jack Buchanan'
'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'                                   ['old style', 'swing', 'oldies', 'uk', 'easy listening']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'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'                        '+2.02 dB'
'TXXX:replaygain_track_peak'                        '0.787453'

========================== row from database ==========================
                                              'id'  1500927
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1933/Jack Buchanan - Now That I_ve Found You (+ Elsie Randolph) 4-10-1933.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  192
                                           'genre'  prerock-instrumental
                                        'filesize'  3900635
                                           'mtime'  1621705380
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1933 I_ve 4 10 1933 prerock instrumental
                                      'tag_artist'  Jack Buchanan
                                     'tag_release'  None
                                       'tag_title'  Now That I've Found You (+ Elsie Randolph)
                                             'bpm'  140.7
                                    'search_title'  'elsie':8 'found':6 'i':3 'ive':5 'now':1 'randolph':9,10 'that':2 've':4 'you':7
                                   'search_artist'  'buchanan':2 'jack':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1933':6 '4':9 'country':4 'exotica':2 'i':7 'instrumental':11 'jazz':1 'oldies':3 'prerock':10 've':8
                                    'search_combo'  '00oldiepop':17 '1933':18 '4':21 'buchanan':12B 'country':16 'elsie':8A 'exotica':14 'found':6A 'i':3A,19 'instrumental':23 'ive':5A 'jack':11B 'jazz':13 'now':1A 'oldies':15 'prerock':22 'randolph':9A,10A 'that':2A 've':4A,20 'you':7A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6B
                                           '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-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['old style', 'swing', 'oldies', 'uk', 'easy listening']
                                        'tag_date'  1933
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705380.4184623  (2021-05-22 19:43:00)
                             'size'  3900635