======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '164'
                                          'artist'  'Jan Garber & His Orchestra'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Why Don't You Practice What You Preach?"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ruk', '20s', 'schellack schatz', 'oldies', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '155'
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '129.813'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 1934 and peaked at #11 on Various Charts. source Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 1934 and peaked at #'
'TBPM' (BPM (beats per minute))                     '129.813'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         "Why Don't You Practice What You Preach?"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jan Garber & His Orchestra'
'TRCK' (Track number/Position in set)               '155'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['ruk', '20s', 'schellack schatz', 'oldies', 'swing']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                        '+2.76 dB'
'TXXX:replaygain_track_peak'                        '0.486749'

========================== row from database ==========================
                                              'id'  1505507
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/Why don_t you practice what you preach - Jan Garber and his orchestra (vocal by Lee Bennett).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  164
                                           'genre'  prerock-swing
                                        'filesize'  2631387
                                           'mtime'  1620560611
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 don_t you practice what you preach and his orchestra (vocal by Lee Bennett) prerock swing
                                      'tag_artist'  Jan Garber & His Orchestra
                                     'tag_release'  None
                                       'tag_title'  Why Don't You Practice What You Preach?
                                             'bpm'  129.813
                                    'search_title'  'don':2 'dont':4 'practice':6 'preach':8 't':3 'what':7 'why':1 'you':5
                                   'search_artist'  'garber':2 'his':3 'jan':1 'orchestra':4
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1934':6 'and':13 'bennett':20,21 'by':18 'country':4 'don':7 'exotica':2 'his':14 'jazz':1 'lee':19 'oldies':3 'orchestra':15 'practice':10 'preach':12 'prerock':22 'swing':23 't':8 'vocal':16,17 'what':11 'you':9
                                    'search_combo'  '00oldiepop':17 '1934':18 'and':25 'bennett':32,33 'by':30 'country':16 'don':2A,19 'dont':4A 'exotica':14 'garber':10B 'his':11B,26 'jan':9B 'jazz':13 'lee':31 'oldies':15 'orchestra':12B,27 'practice':6A,22 'preach':8A,24 'prerock':34 'swing':35 't':3A,20 'vocal':28,29 'what':7A,23 'why':1A 'you':5A,21
                                    'tag_tracknum'  155
                                      'num_images'  0
                                             'key'  10A
                                           '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-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['ruk', '20s', 'schellack schatz', 'oldies', 'swing']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560610.821512  (2021-05-09 13:43:30)
                             'size'  2631387